The radii of two concentric circles are in the ratio 1:3. AC is a diameter of the larger circle, BC is a chord of the larger circle and is tangent to the smaller circle,
AB has length 140.

What is the radius of the larger circle?

Plz hurry finals a paper cup in the shape of an inverted cone is 8 inches tall and has a radius of 1.5 inches. how much water can the cup hold? use 3.14 for pi. round the answer to the nearest tenth. a) 12.6 cubic in. b) 18.8 cubic in. c) 37.7 cubic in. d) 56.5 cubic in.