Three-dimensional figures - Pyramids

Match the descriptions below with an answer given in the list on the right by typing its letter in the box provided.			Answers
Volume of a square pyramid with height of 9 cm and base edges of 7 cm			a. 21 cm
Number of bases on a pyramid			b. 46.67 cubic cm
Volume of a pyramid with a right triangle base of 3 cm , 4 cm , 5 cm and height of 10 cm			c. 4
The volume of a 5 cm by 7 cm rectangular pyramid with height of 4 cm is ___ cubic cm			d. 1
Number of faces on a triangular pyramid			e. 147 cubic cm
Height of a pyramid with a base area of 73 cm² and a volume of 511 cubic cm			f. 20 cubic cm