1.

In Figure, there are two concentric circles with centre Oof radii 5 cm and 3 cm. From an external point P ,tangents PA and PBare drawn to these circles. If A P=12 cm ,find the length of BPdot

Answer»

12 CM
`12 SQRT(3)`
`4 sqrt(10)`
`10 sqrt(4)`

ANSWER :C


Discussion

No Comment Found