Question

In angle pqr angle q is 90 degree angle r is 30 degree PR is 18 cm find pq

Answer 1

Answer:

It is given that

PQ=8cm and QR=6cm

∠PQR=90

∘

Using Pythagoras Theorem

PR

2

=PQ

2

+QR

2

Substituting the values

PR

2

=8

2

+6

2

By further calculation

PR

2

=64+36=100

PR=√100

So we get

PR=10cm