Angles
An angle that measure exactly 90 degrees is called a...
Right angle
A triangle that has one 90 degree angle is called....
A right triangle
A shape with three sides is called a...
Triangle
Find the perimeter of the rectangle. The length is 20m. The width is 12 m.
64 meters.
Find the perimeter of the square. Each side measure 5 cm.
20 cm.
Find the area of the triangle. The base is 20 in. The height is 12 in.
120 in.
A polygon with nine sides is called a...
Heptagon
Find the area of the following triangle. The base is 30 m. The height is 18 m.
270 m.