Question

In the triangle PQR angle Q=90°,P=60°and PQ=8cm ,then length of QR is​

Answer 1

Answer:

In the right angle triangle PQR,

angle P=60°

angle Q=90°

so, QR/PQ=tan 60°

=> QR=PQ tan60

=8.√3

length of QR is 8√3 cm