`PQR` is a right angled triangle made of brass rod bent as shown. If it is heated to a high temperature the angle `PQR`.

On the Cartesian plane,PQR is a right-angled triangle,The coordinates of P are

PQR is a right angled triangle at Q in which PQ = QR. If the hypotenuse of the triangle is 20 cm, then what is the area ("in" cm^(2)) of the triangle PQR ?

Delta PQR is right angled isosceles triangle, right angled at R. Find value of sin P.

Delta PQR is right angled isosceles triangle, right angled at R. Find value of sin P.

Which of the largest angle in the triangle PQR ?

In a right angled triangle PQR, PR is the hypotenuse of length 20 cm, anglePRQ=30^(@) , the area of the triangle is