185k views
21 votes
Can someone plz help me what is measure b

Can someone plz help me what is measure b-example-1

1 Answer

8 votes

Answer:

b = 82°

Explanation:

Angles on a straight line add up to 180

180 - 143 = 37

Angles in a triangle add up to 180

180 - ( 61 + 37 ) = 82

User Intathep
by
3.1k points