Can someone me answer these 2 questions?

What is the volume of a cone with a height of 6 cm in the radius of 2 cm

Pls the last one and it has to be like number 6

An isosceles trapezoid with a perimeter of 42 inches. each of the congruent non parallel sides is 5 inches long, and the trapezoid is 3 inches tall. how long are the two parallel sides? a. 10 in, 22 in b. 16 in, 16 in c. 10 in, 16 in d. 12 in, 20 in