Find the value of a and b in

      

Find the value of a and b in
mathematics6920171206.jpg

  

Answers


John
Opposite angles in a cyclic

Quadrilateral add up to 180o

a + 3b = 180o

2b + 100o = 180

2b = 80o;

b = 40o

Substitute b = 40o in

a + 3b = 180o

a + 3 x 40o = 180o

a + 120o = 180o;

a = 60o
johnmulu answered the question on June 9, 2017 at 09:11


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