Question

if triangle pqr is an isosceles triangle right angled at Q with PQ=3cm,then find the value of pr

Answer 1

Step-by-step explanation:

In isosceles triangle PQR

PQ=3cm

but in isosceles triangle 2 side and 2 angle are similar

so the value of PR=3cm

I hope it's helpful

mark me brainlist

Answer 2

Answer:

Given ∠Q=90o

PQ=QR           ...(1)

PQ2+QR2=PR2 (Phythagorus theoram)

Using equation (1)

PR2=2PQ2=2QR2