Question

In a $△PQR,\angle P={80}^{\circ },\angle Q={60}^{\circ }$ and $\angle R={50}^{\circ }$. What type of triangle is this?

• A. Equilateral Triangle
• B. Isosceles Triangle
• C. Scalene Triangle
• D. None of these

Answer 1

The correct option is D

None of these

Angle sum property says that sum of all the angles of a triangle must be ${180}^{\circ }$.

Since, $\angle P+\angle Q+\angle R=80+60+50={190}^{\circ }$

which is greater than ${180}^{\circ }$, so, the triangle is NOT possible.