# 10.7 Volume of Pyramids and Cones

10.7 Volume of Pyramids and Cones Geometry Volume of a Pyramid

Example: Find the volume of a square pyramid with base edge length 9 cm and height 14 cm

Example: Find the volume of a rectangular pyramid with length 11 m, width 18 m, and height

23 m. Example: Find the volume of a regular hexagonal

pyramid with height equal to the apothem of the base. Example:

Find the volume of a regular hexagonal pyramid with a base edge length of 2 cm and a height equal to the area of the base. Example:

An art gallery is a 6-story square pyramid with base area acre (1 acre = 4840 yd2, 1 story = 10 ft). Estimate the volume in cubic yards and cubic feet.

Volume of Cones Example: Find the volume of the cone with a base

radius 7 cm and height 15 cm. Example: Find the volume of a cone with base

circumference 25 in. and a height 2 in. more than twice the radius. Example:

Find the volume of the cone. Example: Find the volume of the cone.

Example: The diameter and height of the cone are divided by 3. Describe the effect on the

volume. Example: The radius and height of the cone are

doubled. Describe the effect on the volume. Example:

Find the volume of the composite figure. Example: Find the volume of the composite figure.

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