If an angle is 30° more than one half of its complement, find the measure of the angle.
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Let one angle be x
Then other angle will be 90-x (According to question)
Complement means sum should be 90 degree
So
x=30+1/2(90-x)
x=30+45-x/2
3x/2=75
x=150/3
therefore angles will. be 40 degree and 50 degree..
Then other angle will be 90-x (According to question)
Complement means sum should be 90 degree
So
x=30+1/2(90-x)
x=30+45-x/2
3x/2=75
x=150/3
therefore angles will. be 40 degree and 50 degree..
anupama2353:
Thank You but according to book the answer is 50°
edited
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