Sum of interior angle in a regular polygon = (2n - 4)90
(2n - 4)90 = 3240
180n - 360 = 3240
180n = 3600;
n = 20
number of sides = 360oexteriorangle
20 = 360x; x = 36020 = 18o
johnmulu answered the question on June 9, 2017 at 08:30
- The opposite angle of a cyclic quadrilateral are (5x + 40)o and (3x - 20)o respectively. Find the difference between the two angles. (Solved)
The opposite angle of a cyclic quadrilateral are (5x + 40)o and (3x - 20)o respectively. Find the difference between the two angles.
Date posted: June 9, 2017. Answers (1)
- The three angles of a triangle are (x-20)o, (4x-15)o and (2x+5)o. Find the difference between the largest and the smallest. (Solved)
The three angles of a triangle are (x-20)o, (4x-15)o and (2x+5)o. Find the difference between the largest and the smallest.
Date posted: June 9, 2017. Answers (1)
- State the co-ordinates of the points Q, R A, B and C. (Solved)
State the co-ordinates of the points Q, R A, B and C.
Date posted: June 9, 2017. Answers (1)
- A traveller had sterling pounds 918 which he exchanged to Kenya Shillings at the rate of sh 84 per(Solved)
A traveller had sterling pounds 918 which he exchanged to Kenya Shillings at the rate of sh 84 per sterling pound. He did not spend the money as intended. Later, he used the Kenyan Shillings to buy sterling pounds at the rate of Ksh 85 per Sterling pounds at the rate of Ksh 85 per Sterling pound. Calculate the amount in sterling pounds lost in the whole transaction.
Date posted: June 9, 2017. Answers (1)
- Kenyan business man owes U.S dollars 100 000 to a company in the united states of America The Kenyan can either pay through his account in the united kingdom. Which is cheaper and by how much. Give your answer in Kenyan Shillings given that; (Solved)
Kenyan business man owes U.S dollars 100 000 to a company in the united states of America The Kenyan can either pay through his account in the united kingdom. Which is cheaper and by how much. Give your answer in Kenyan Shillings given that;
1 U.S dollar
= 28.74 Shillings
I Sterling pound
= 1.79 U.S dollars
1 Sterling pound
= 50.80 Kenya Shillings
Date posted: June 9, 2017. Answers (1)
- In this question, mathematical tables should not be used. A Kenyan bank buys and sells foreign currencies as shown below; (Solved)
In this question, mathematical tables should not be used. A Kenyan bank buys and sells foreign currencies as shown below;
A Japanese travelling from France arrives in Kenya with 5 000 Euros. He converts all the 5000 Euros. He converts all the 5000 Euros to Kenya Shillings at the bank. While in Kenya he spends a total of sh 289 850 and then converts the remaining Kenya Shillings to Japanese yen at the bank. Calculate the amount in Japanese yen he receives.
Date posted: June 9, 2017. Answers (1)
- During a certain period of the year, the rate were as follows
1 Sterling pound
= Ksh 102.00
1 Sterling pound
= 1.49 US dollar
1 US dollar = Ksh 60.60(Solved)
During a certain period of the year, the rate were as follows
1 Sterling pound
= Ksh 102.00
1 Sterling pound
= 1.49 US dollar
1 US dollar = Ksh 60.60
A school management intended to import textbooks worth sh 500 000 from U.K. It changed the money to sterling pound. Later the management found out that the books were cheaper in U.S. Hence it changed the sterling pounds to dollars. Unfortunately a financial crisis arose and the money had to be reconverted to Kenya Shillings. Calculate the total amount of money the management ended up with.
Date posted: June 9, 2017. Answers (1)
- A commercial bank buys and sells Japanese yen in Ksh at the rates shown below.(Solved)
A commercial bank buys and sells Japanese yen in Ksh at the rates shown below.
Buying Selling
Sh 0.5024 sh. 0.5446
A Japanese tourist at the end of his tour of Kenya was left with sh 300 000 which he converted to Japanese yen through the commercial bank. How many Japanese yen did he get?
Date posted: June 9, 2017. Answers (1)
- A company's lady sells goods worth sh 240 000. From this she earned a commission of sh 4 000.(Solved)
A company's lady sells goods worth sh 240 000. From this she earned a commission of sh 4 000.
(a) Calculate the rate of commission
(b) If she sold goods whose total marked price was sh 360 000 and allowed discount of 2%, calculate the amount of commission she received.
Date posted: June 9, 2017. Answers (1)
- If Maina sells a bag of cabbages for sh 520, he makes a profit. If he had to sell the bag for sh 420 he would make a loss. If the profit is three times the loss, find how much he paid for the bag of cabbage? (Solved)
If Maina sells a bag of cabbages for sh 520, he makes a profit. If he had to sell the bag for sh 420 he would make a loss. If the profit is three times the loss, find how much he paid for the bag of cabbage?
Date posted: June 9, 2017. Answers (1)
- A dealer makes profit of 25% by selling an article for sh x. Had he sold for sh 19.20, he would have made a profit of x%. Find x. (Solved)
A dealer makes profit of 25% by selling an article for sh x. Had he sold for sh 19.20, he would have made a profit of x%. Find x.
Date posted: June 9, 2017. Answers (1)
- Casual workers in a certain company demanding a rise of 8% in wages were awarded 3.5% rise. As a result, each mans weekly wages rose to sh 1 345. 50. How much would the weekly wages have been if the 8% rise had been given? (Solved)
Casual workers in a certain company demanding a rise of 8% in wages were awarded 3.5% rise. As a result, each mans weekly wages rose to sh 1 345. 50. How much would the weekly wages have been if the 8% rise had been given?
Date posted: June 9, 2017. Answers (1)
- A manufacture sells a bottle of juice to a trader at a profit of 40%. The trader sells it for sh 84 at a profit of 20%. Find(Solved)
A manufacture sells a bottle of juice to a trader at a profit of 40%. The trader sells it for sh 84 at a profit of 20%. Find
(a) The trader's buying price.
(b) The cost of manufacturing one bottle.
Date posted: June 8, 2017. Answers (1)
- A car dealer charges 5% commission for selling a car. He received a commission of sh 17 500 for selling a car. How much did the owner receive from the sale of his car? (Solved)
A car dealer charges 5% commission for selling a car. He received a commission of sh 17 500 for selling a car. How much did the owner receive from the sale of his car?
Date posted: June 8, 2017. Answers (1)
- The marked price of a car in a dealers shop was sh 400 000. Wekesa bought the car at 8% discount. The dealer had paid for the car. (Solved)
The marked price of a car in a dealers shop was sh 400 000. Wekesa bought the car at 8% discount. The dealer had paid for the car.
Date posted: June 8, 2017. Answers (1)
- A hawker buys a radio for sh 520 and marks it at a selling price to make a profit of 25%. If he allows a discount of 10% off the marked price, what actual profit has he made and what percentage is this of the cost price. (Solved)
A hawker buys a radio for sh 520 and marks it at a selling price to make a profit of 25%. If he allows a discount of 10% off the marked price, what actual profit has he made and what percentage is this of the cost price.
Date posted: June 8, 2017. Answers (1)
- A radio has a marked price of Ksh 10, 000. The shopkeeper can allow a discount of 15% on the marked price and still makes a profit of 25% on the cost price. Find the cost price of the radio. (Solved)
A radio has a marked price of Ksh 10, 000. The shopkeeper can allow a discount of 15% on the marked price and still makes a profit of 25% on the cost price. Find the cost price of the radio.
Date posted: June 8, 2017. Answers (1)
- A two digit number is such that the sum of the ones and the tens digit is 10. If the digits are reversed, then the new number formed exceeds the original number by 54. Find the number. (Solved)
A two digit number is such that the sum of the ones and the tens digit is 10. If the digits are reversed, then the new number formed exceeds the original number by 54. Find the number.
Date posted: June 8, 2017. Answers (1)
- The sides of a parallelogram are as shown below. (Solved)
The sides of a parallelogram are as shown below.
Calculate the value of x and y
Date posted: June 8, 2017. Answers (1)
- There are unspecified number of cows and hens in a den. If there are a total of 30 heads and 80 legs in the den, find the number of cows and hens in the den. (Solved)
There are unspecified number of cows and hens in a den. If there are a total of 30 heads and 80 legs in the den, find the number of cows and hens in the den.
Date posted: June 8, 2017. Answers (1)