1. PQR is a triangle, right-angled at P. If and , find QR.
As we know,
In a Right-angled Triangle: By Pythagoras Theorem,
As PQR is a right-angled triangle with
Base = PQ = 10 cm.
Perpendicular = PR = 24 cm.
Hypotenuse = QR
So, By Pythagoras theorem,
Hence, Length od QR is 26 cm.