The angle which is twice its supplement is: - Vidyadip

MCQ

The angle which is twice its supplement is:

✓
$120^\circ $
B
$90^\circ$
C
$60^\circ$
D
$30^\circ$

✓

Answer

Correct option: A.

$120^\circ $

Let the required angle be $x$
Therefore, $x = 2 (180 - x)$
$\Rightarrow x = 360 - 2x$
$\Rightarrow 3x = 360$
$\Rightarrow x = 120^\circ $

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