Question

Construct a triangle pqr perimeter 9.5 cm and each of base angle is 80 degree right with of triangle pqr type

Answer 1

Step-by-step explanation:

∆PQR is an acute isosceles triangle

It has -

1. Atleast two angles measuring angles<90°

2. Two of the sides of the triangle are same

Here, two base angles of ∆PQR is 80° each,so it is acute triangle

The other angle of the triangle={180-(80+80)°}=20°

We know if the two angles of the triangles are same, their opposite arms will also have same length

so,it is isosceles triangle