In a `Delta PQR` (as shown in figure) if `x:y:z=2:3:6`, then the value of `angle QPR` is :

In a Delta PQR as show in figure given that x:y:z::2:3:6, then find value of angle QPR.

The feasible region of an LPP is shown in the figure. If z=3x+9y ,then the minimum value of z occurs at

If DeltaABC ~ Delta PQR then y+z=

In Delta PQR, s is a point in QR such that angle PQS= angle SPR show that angle PSR= angle QPR

In Figure,lines l_(1) and L-2in tersect at O, forming angles as shown in the figure.If x=45, find the values of y,z and u

In the figure if PQRS is a parallelogram, then find the value of x & y.

In the given figure Delta ABC - Delta PQR . Find the value of x.

If x+y+z=6, then the value of (x-1)^(3)+(y-2)^(3)+(z-3)^(3) is