Question

if in triangle pqr ,angle Q=90 ,angle R =45 and PR=7root2, find pq and qr​

Answer 1

Answer:

PQ=7 and qr=7

Step-by-step explanation:

here sin45= OPP/ hyp and cos 45= adj/ hyp

1. here sin 45=( 1/√2)7√2
2. =7
3. similarly we solve other side by using cos45