Question

1 and 2 are complementary angles 2 and 3 are supplementary angles if 1=45 ,find the measure of 3

Answer 1

As,1+2=90........ complementary angles

2+3=180.....supplementary angle.

As we know 1=45,

1+2=90.

45+2=90.

Angle 2=45.

2+3=180.

45+3=180.

3=180-45

3=135......answer

I hope it will help you.