Question

https://aps9728-mckinley-ccl.gradpoint.com/Resource/6123637,8F5,111,0,0,0,0/Assets/testitemimages/geometry_b/circles/mc029-1.jpg
Point P is the center of two concentric circles. PQ = 10.5 and PS = 20.9. Line RS is tangent to the smaller circle and a chord of the larger circle. What is length of Line RS to the nearest tenth?

Answer 1

Will award medal!

Answer 2

31.4
41.4
41.8
36.1
The choices

Answer 3

tangent
makes 90 with the radius.

Answer 4

find x
x^2=b^2-a^2

Answer 5

RS=2*x

Answer 6

I don't understand

Answer 7

it is a triangle

Answer 8

x=sqrt( 20.9^2-10.5^2)
RS=2*x=36.1

Answer 9

ohhhhhhhhh now I get it.