Question

If two angles in a triangle are ${75}^{\circ }$ and ${95}^{\circ }$then the third angle is

• A. ${30}^{\circ }$
• B. ${40}^{\circ }$
• C. ${10}^{\circ }$
• D. ${90}^{\circ }$

Answer 1

The correct option is C ${10}^{\circ }$

$\because$ Sum of the angles in a triangle = ${180}^{\circ }$
i.e. ${75}^{\circ }+{95}^{\circ }+x={180}^{\circ }$
$\Rightarrow x={10}^{\circ }$