Question

What is the m∠ACB?

10°
50°
90°
180°

Answer 1

90

Explanation:

ßimple answer no needs to panic

Answer 2

<ACB = 50

Explanation:

7x-20+4x+90=180

11x= 180-70

x = 110/11

x = 10

Now,

<ACB = 7x-20

=7*10-20

=70-20

=50