Question

Two angles of a triangle measure ${52}^{\circ }$ and ${72}^{\circ }$. Find the measure of the third angle of the triangle.

• A. ${36}^{\circ }$
• B. ${46}^{\circ }$
• C. ${56}^{\circ }$
• D. ${66}^{\circ }$

Answer 1

The correct option is C ${56}^{\circ }$

Sum of angles$=180°$

$\Rightarrow 52°+72°+x=180°\Rightarrow x=56°$