Math, asked by ahujaakash0706, 9 months ago

please answer ques 9

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Answered by daksh8223
1

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 Anish247
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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