acute triangle
A triangle in which all three angles are
acute
Examples:
angle
A figure formed by two rays that have a
common endpoint
Example:
area
The number o square units needed to cover a
surface
Example:
The area is 9 square units.
circle
A closed plane figure with all points on
the figure the same distance from the center
Example:
circumference
The distance around a circle
Example:
cone
A solid figure that has a circular base and
one vertex
Examples:
