Question

Find m21, mZ2, and m/3.
359
2
1 =
2 =
3 =

Answer 1

1=145°

2=35°

3=145°

Explanation:

A straight line always measures 180°

35°+a=180°

a=180°-35°

a=145°

Therefore <1=145°

a=<1=145°

b=<2

a+b=180°

145°+b=180°

b=180°-145°

b=35°

b=<2

c=<3

b+c=180°

35°+c=180°

c=180°-35°

c=145°

Hope this helps ;) ❤❤❤

Let me know if there is an error in my answer.