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Find the angle which is equal to its sup...

Find the angle which is equal to its supplement.

A

`90^@`

B

`135^@`

C

`180^@`

D

`120^@`

Text Solution

Verified by Experts

The correct Answer is:
`A`
Let the angle is `x`. Then, the supplement of this angle will be `180-x`
We are given,
`x = 180-x=>2x = 180 => x = 90^@`
So, `90^@` is the angle that is equal to its supplement.
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