" 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 a DeltaPQR , if /_P=90^(@) and /_Q=/_R , find the measures of each of the equal angles of the triangle.

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

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

triangle PQR ~ triangle XYZ./_P=60^@,/_Q=40^@ . Find /_Z .

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