Question

2. Find angles x and y:
(a)
A
100

y
B
С​

Answer 1

I THINK IT IS AN ISOCIAL TRIANGLE.

Step-by-step explanation:

A =100

y= 1/2 of angle B+C

A+B+C=180(ASPT)

100+B+C=180

B+C=180-100=80

so ,angle y = 1/2×80=40