Question

Construct a triangle PQR in which PQ= 6 cm, angle Q= 60degree and angle R= 80 degree
7th standard method pl

Answer 1

Answer:

p=40 degree

qr=3,pr=4.5

Step-by-step explanation:

p=40 degree

p:q:r = 40:60:80

= 2:3:4

so,opposite sides of p,q,r are qr,pr,pq

so qr:pr:pq = 2:3:4

given pq = 6

so qr=3,pr=4.5