" 6.In "/_PQR," if "/_P-/_Q=42^(@)" and "/_Q-/_R=21^(@)," find "/_P,/_Q" and "/_R

In Delta PQR, if /_P-/_Q=42^(@) and /_Q-/_R=21^(@) ,find /_P,/_Q and /_R

In Delta PQR,/_P=40^(@) and /_ Q=60^(@) . Find /_R

In triangle PQR, /_Q=25^@, /_R=120^@ . Find /_P and give reason.

In a quadrilateral PQRS, /_P=70^(@),/_Q=90^(@),/_R=55^(@) . Find the measure of /_S . What kind of quadrilateral is it convex or concave?

If P-Q-R and if d(P,R)=10 , d(Q,R)=3 , then find d(P,Q) .

If P=3Q = 7R, find P:Q:R.

In a quadrilateral PQRS/_P=40^(@),/_Q=60^(@),/_R=60^(@) . Find /_S . Is this quadrilateral convex or concave?

IF P-Q-R and if d(P,R)=10, d(Q,R)=3, then find d(P,Q).

If P: Q =8.15 and Q:R =3:2 , then find P:Q:R

If PQR~=EFD, then /_E=/_P(b)/_Q(c)/_R(d) None of these