Question

WILL GIVE BRAINLIEST!
Given that m∠a = 53°, find m∠b.
m∠b =
°

Answer 1

Answer: 143

90-53=37

180-37=143

Answer 2

Answer:

Step-by-step explanation:

The angle left to b is

90° - a

= 90° - 53°

= 37°

So now

< b + 37° = 180° ( being linear pair )

< b = 180° - 37°

< b = 143°