The circle of radius 4 cm and centre O has a tangent PR. If ∠POR = 90° and OR = 7 cm and OP = 24 cm. Calculate the length (in cm) of PR.

The circle of radius 4 cm and centre O has a tangent PR. If ∠POR = 9

1.	The circle of radius 4 cm and centre O has a tangent PR. If ∠POR = 90° and OR = 7 cm and OP = 24 cm. Calculate the length (in cm) of PR.
A.	20
B.	24
C.	25
D.	35
Answer» D. 35