# Hotmath

Title:
Hotmath
Author:
Hotmath
Chapter: Areas and Volumes Section: Volumes of Pyramids, Cones and Spheres

Problem: 1

Find the radius of the sphere.

Problem: 3

Compare the base areas of the solids shown.

Problem: 5

Find the volume of the pyramid. The base is rectangular.

Problem: 7

Find the volume of the figure.

Problem: 9

Determine the volume of the solid.

Problem: 11

Determine the volume of the solid.

Problem: 13

Find the volume of the sphere. Round to the nearest unit.

Problem: 15

Find the volume of the sphere with radius:

r = 14 cm

Problem: 17

Determine the volume of the figure, to the nearest cubic inch.

Problem: 19

Determine the volume of the cone.

Problem: 21

Determine the volume of the figure, to the nearest cubic unit.

Problem: 23

The volume of a cone is 9 cm 3 . What is the volume of a cylinder with the same base as the cone and the same height as the cone?

Problem: 25

Obtain the volume of given solid. Round to the nearest tenth.

Square pyramid, length, 4 cm, height, 9 cm

Problem: 27

Obtain the volume of given solid. Round to the nearest tenth.

Circular cone, radius 11 m, height, 20 m

Problem: 29

Complete the given table for a pyramid.

Problem: 31

Complete the given table for a cone.

Problem: 33

If the diameter of a ball is 15 ft 4 1 / 3 in., find its volume?

Problem: 35

A hemisphere is a half of a sphere. Determine the volume of a hemisphere of radius 5.

Problem: 37

Draw the pyramid using its net shown. It base is a square and the other faces are congruent equilateral triangles. Determine the approximate volume of the pyramid if its height is about 3.54 ft.

Problem: 39

Complete the given table by finding the answers in terms of π .

Problem: 41

Complete the given table by finding the answers in terms of π .

Problem: 43

Compare the volumes of two objects A and B, if A's diameter is about 4 2 / 3 times that of B.

Problem: 45

Draw a pyramid with a volume of 20 mm 3 . (There is more than one correct answer.)

Problem: 47

The diameter of a sphere is 3 meters. Triple the radius of the sphere. Is the volume triple the original volume? Explain.