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Mathematics
Mathematics
Problem
Find the measure of the angle complementary to
43
∘
43^{\circ}
4
3
∘
. a)
57
∘
57^{\circ}
5
7
∘
b)
137
∘
137^{\circ}
13
7
∘
c)
47
∘
47^{\circ}
4
7
∘
d)
53
∘
53^{\circ}
5
3
∘
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