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If an angle is its own supplementary angle, then its measure is

Asked on by | Votes 0 | Views: 17 | Tags: miscellenaeous     | quantitative aptitude     | Add Bounty

If an angle is its own supplementary angle, then its measure is
1). 80°
2). 45°
3). 60°
4). 90°


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1 answers

3 vote
Answered by on | Votes 3 |

Supplement of an angle = 180° - angle whose supplement we are finding

Given, supplement of the angle and the angle are same.

∴ 2 × angle = 180°

⇒ angle = 90°

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