Get premium membership and access questions with answers, video lessons as well as revision papers.

In the figure below not drawn to scale. DC is a tangent to the circle. DC = 6cm, AB = 5cm. Calculate BC.

      

In the figure below not drawn to scale. DC is a tangent to the circle. DC = 6cm, AB = 5cm. Calculate
BC.
fig551962019332.png

  

Answers


Kavungya
62 = x(5 + x)
x2 + 5x – 36 = 0
(x – 4)(x + 9) = 0
x = 4 or -4
BC = 4cm
Kavungya answered the question on June 19, 2019 at 12:35


Next: A customer deposited Ksh.15,500 in a savings account. Find the accumulated amount after 3½ years if interest was paid at 16% per annum compounded semi-annually
Previous: The minute hand of a clock is 6.5 cm long. Calculate the distance in cm moved by its tip between 10.30 am. and 10. 45 a.m....

View More Mathematics Questions and Answers | Return to Questions Index


Learn High School English on YouTube

Related Questions