(C2 Module 8) Geometric Shapes

Front

What is a straight angle?

Back

An angle that measures exactly 180 degrees.

Front

What shape is the angled cross-section of a rectangular pyramid?

Back

Trapezoid.

Front

What is an acute angle?

Back

An angle that measures greater than 0 degrees but less than 90 degrees.

Front

What are complementary angles?

Back

Two angles that add up to 90 degrees.

Front

What is an isosceles triangle?

Back

A triangle with at least two sides of equal length.

Front

What is the sum of the interior angles of a triangle?

Back

180 degrees.

Front

What is a right angle?

Back

An angle that measures exactly 90 degrees.

Front

What is a scalene triangle?

Back

A triangle with all sides of different lengths.

Front

What is a quadrilateral?

Back

A polygon with four sides.

Front

What is a reflex angle?

Back

An angle that measures greater than 180 degrees but less than 360 degrees.