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04-09-2017
Mathematics

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Find the number of degrees in an angle which is 42 degrees less than its complement

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04-09-2017

A = angle your are looking for
C = its complement angle

A + C = 90
A + 42 = C

Add both equation :

A + C + A + 42 = 90 + C
so
A + A = 90 - 42
2A = 48

so A = 24

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