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Help me please I need help with 2 questions I dont get them

Help me please I need help with 2 questions I dont get them-example-1
User EinsteinK
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1 Answer

3 votes

1) Let's sketch this to better grasp it.

As2) angles 1 and 2 are vertical angles, then they are congruent.

As angle 3 is complementary to angle 2, we can write:

m∠2 + m∠3 = 90º

m∠1 = m∠2

71º+ m∠3 = 90º

m∠3 =90 -71

m∠3 =19º

3) Hence, the answer is m∠3 =19º

Help me please I need help with 2 questions I dont get them-example-1
User Tomassilny
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