Fine the value of ‘A’ in the set of complementary angles. Can you please help me!!!

Mathematics

2 answers:

aivan3 [116]3 years ago

7 0

Complementary angles are adjacent angles which add to equal 90 degrees (a right angle). To find m∠A in these figures, set the sum of the known angle measure and the unknown angle measure, A, equal to 90 and solve.

10)
90 = 67 + A
23 = A
m∠A = 23°

11)
90 = 57 + A
33 = A
m∠A = 33°

12)
90 = 44 + A
46 = A
m∠A = 46°

Gennadij [26K]3 years ago

7 0

Just subtract what they give you from 90.
For example, #10 would be 90-67=A

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