Triangle ABC is similar to triangle DEF. What is the value of x in centimeters? A. 17 cm

B. 16.5 cm

C. 15.4 cm

D. 18 cm

With: label the vertices and all the elements needed. find x

Cos^2x+cos^2(120°+x)+cos^2(120°-x)i need this asap. pls me

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.