Question

Angle a is three times the size of angle
b. the sum measures is 128 find the value of x

Answer 1

angle A = 3 times angel b = 3b

3b +b = 128

4b = 128

b = 128/4 = 32

Angle B = 32 degrees

angle A = 3b = 3(32) = 96

Answer 2

a=3b
a+b=128
4b=128
b=32
a=96