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Find the complementary angle of 20^o.

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90^o

95^o

75^o

70^o

answer is D.

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Detailed Solution

Complementary angles are two angles with a sum of 90^o.

Therefore, the complement of 20^o = 90^o– 20^o= 70^o

Hence, 70^o is the complement of 20^o.

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