*MATH/GEOMETRY* ΔABC is an isosceles triangle with line AB and line BC equaling 6 units. D and E are the midpoints of line AB and line BC, respectively. The length of line AC is 8 units. The length of line DE is .
(50 points)

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.