Question

The sum of interior angles of a triangle is always _______.

• A. ${180}^{\circ }$
• B. ${270}^{\circ }$
• C. ${360}^{\circ }$
• D. ${90}^{\circ }$

Answer 1

The correct option is A ${180}^{\circ }$

The sum of interior angles of a triangle is always ${180}^{\circ }$.
Given $△ABC$, $\angle A$+$\angle B$+$\angle C$=${180}^{\circ }$.