Geometry Review

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 are the three main properties of a triangle?

Back

1. A triangle has three sides. 2. A triangle has three angles. 3. A triangle has three vertices.

Front

What is an equilateral triangle?

Back

An equilateral triangle is a triangle in which all three sides are equal in length and all three angles are equal, each measuring 60 degrees.

Front

What is a parallelogram?

Back

A parallelogram is a four-sided figure (quadrilateral) with opposite sides that are parallel and equal in length.

Front

Which shape is NOT a parallelogram?

Back

A trapezoid is NOT a parallelogram.

Front

What is a hexagon?

Back

A hexagon is a polygon with six sides and six angles.

Front

What is a right angle?

Back

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

Front

What is an acute angle?

Back

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

Front

What is a scalene triangle?

Back

A scalene triangle is a triangle in which all three sides are of different lengths and all three angles are of different measures.

Front

What is a rhombus?

Back

A rhombus is a type of parallelogram where all four sides are of equal length.