Question

Can someone show me the steps please?

Answer 1

Draw radius RO. RAO is a right triangle. Since RA = 4 cm and OA = 3 cm:

RO = PO = √(3² + 4²) = √(9 + 16) = √25 = 5 cm, and so PA = PO + OA =

3 cm + 5 cm = 8 cm.