An angle is 4/5 of its complement. Find its measure
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Answer:
Let the 1st angle be x
Other angle =4x/5
Complement angle=90°
According to questions
x+4x/5=90
5x+4x= 450
9x= 450
x= 450/9
x=50°
Other angle = 4×50/5
= 40°
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