Unit 7 Angles, Triangles, and Prisms Review

Front

What is an acute angle?

Back

An acute angle is an angle that measures less than 90 degrees.

Front

What is an obtuse angle?

Back

An obtuse angle is an angle that measures more than 90 degrees but less than 180 degrees.

Front

What is a right angle?

Back

A right angle is an angle that measures exactly 90 degrees.

Front

What is a straight angle?

Back

A straight angle is an angle that measures exactly 180 degrees.

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 × base × height.

Front

If the base of a triangle is 8.7 and the height is 5.4, what is the area?

Back

The area is 23.58 in².

Front

What are adjacent angles?

Back

Adjacent angles are two angles that share a common side and a common vertex.

Front

What is the sum of the angles in a triangle?

Back

The sum of the angles in a triangle is always 180 degrees.

Front

What is a prism?

Back

A prism is a solid shape with two identical ends and flat sides.

Front

What is the difference between a triangular prism and a rectangular prism?

Back

A triangular prism has triangular bases, while a rectangular prism has rectangular bases.