Question
Mathematics Question on Circles
A circle with centre 'O', 'P' is a point outside the circle and PA and PB are two tangents to the circle at the point of contacts 'A' and 'B' from 'P'. If the length of PA 10 cm, then the length of PB =
A
5 cm
B
20 cm
C
10 cm
D
2.5 cm
Answer
10 cm
Explanation
Solution
The correct option is (C): 10 cm