Lesson 15

When finding the volume of a pyramid or cone, multiply the area of the base by the height, and then multiply the answer by _____

1/3

The formula for the volume of a sphere is ____.

4/3 pie r cubed

What is the relationship between the baes of a prism?

They are parallel (or congruent)

The height of a pyramid perpendicular to the base is the ____

altitude

The length of a line perpendicular to the base of the pyramid is the ___

altitude

Which measurement is used in finding the volume of a pyramid: altitude or slant height

altitude

A line drawn between two points on the circumference of a circle

chord

The base of a cone is a ____

circle

What is the perimeter of a circle called?

circumference

Slant height is the height of a ___ of a pyramid

face

A prism has two bases that are ____ and ______.

parallel and congruent

What geometric shape are the lateral surfaces of a prism

parallelogram

The lateral, or side, surfaces of a prism are always ____

parallelograms

A figure with a lateral surface what are parallelograms and two parallel baes is called a ____.

prism

What is a triangle called with no equal sides?

scalene

A line intersecting the circumference of a circle in two places

secant

The height of a face of a pyramid is the:

slant height

The height of the face of a pyramid is the ____.

slant height

The base of a pyramid can be a triangle or a _____.

square

The sides, or faces of a pyramid are ____

triangles

The point where the faces of a pyramid meet is the _____.

vertex