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∠ A and ∠ B are complementary. If m∠ B = 80°, what is the measure of ∠ A? 10° 80° 90° 100°
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∠ A and ∠ B are complementary. If m∠ B = 80°, what is the measure of ∠ A?

10°
80°
90°
100°

User Franceline
by
8.7k points

1 Answer

3 votes
Angle A would be 10 degrees.
Complementary angles add to 90 degrees.
So 90-80=10
User Pratswinz
by
8.7k points
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