Question

Sum of interior angles of a quadrilateral is _________ .

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

Answer 1

The correct option is D 360${}^{\circ }$

Diagonal of a quadrilateral divides it into 2 triangles. We know that sum of all angles of a triangle is 180${}^{\circ }$.
Sum of interior angles of a quadrilateral is 360${}^{\circ }$.