please answer ques 9
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Answer:
Let the angle be x and it's complement be 4x (given- 4 times the main angle)
So,
x + 4x = 90
5x = 90
x = 18
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Answered by
1
Answer:
Let anges be x and y.
Since a angle is four times its complement so x= 4y.
Then, x+y = 90
4y + y = 90
5y = 90
y = 90/5
y = 18
Then, x = 4*18 = 72
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