Dear , If an angle is 4 times its complement what is the measure of the angle ? options: a)18 degree b)15 degree c)72 degree d)75 degree Please fast ,tomorrow I have exam ....
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let one angle = x
it's complement =90-x
given
x = 4(90-x)
x=360-4x
x+4x=360
5x =360
x=360/5
x=72
c is correct
it's complement =90-x
given
x = 4(90-x)
x=360-4x
x+4x=360
5x =360
x=360/5
x=72
c is correct
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