505,797 views
14 votes
14 votes
Two concentric circles are of radii 5 cm and 3 cm. Determine the length of the chord of the larger circle which touches the smaller circle.

User Vikash Dahiya
by
2.7k points

1 Answer

15 votes
15 votes

Answer: 4

Explanation:

In triangle OCB,

OB2 = OC2 + BC2

52 = 32 + BC2

BC2 = 25 - 9

BC2 = 16

BC = 4

Two concentric circles are of radii 5 cm and 3 cm. Determine the length of the chord-example-1
User StackSlave
by
2.6k points