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23 votes
23 votes
∠A and ∠B are complementary. m∠A=29°. find m∠B.

User Savas Adar
by
2.5k points

2 Answers

27 votes
27 votes

Answer:

55 degrees

Explanation:

Add the expressions up and set up an equation.

( 2 x − 29 ) + ( x + 23 ) = 90 Simplify and solve for x.

3 x − 6 = 90 3 x = 96 x = 32 Find angle B.

x + 23 = 32 + 23 = 55

Hope this helps, have a nice day/night! :D

User Daniel Beltrami
by
2.8k points
11 votes
11 votes

Answer:

m∠B = 61°

Explanation:

Complementary means two angles that add up to the sum of 90°.

Since we are given m∠A = 29°, subtract 29° from 90°.

90 - 29 = 61

m∠B = 61°

User Menda
by
3.1k points