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Mathematics
Mathematics
Problem
Two angles are said to be complementary if their sum equals a)
45
∘
45^{\circ}
4
5
∘
b)
60
∘
60^{\circ}
6
0
∘
c)
90
∘
90^{\circ}
9
0
∘
d)
180
∘
180^{\circ}
18
0
∘
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