4th Grade Geometry Terms

Front

What is a supplementary angle?

Back

A supplementary angle is an angle that, when added to another angle, equals 180 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 type of triangle has one right angle?

Back

A right triangle has one angle that measures exactly 90 degrees.

Front

What is a quadrilateral?

Back

A quadrilateral is a polygon with four sides.

Front

What is a rhombus?

Back

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

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 scalene triangle?

Back

A scalene triangle is a triangle where all three sides are of different lengths.

Front

What is an isosceles triangle?

Back

An isosceles triangle is a triangle that has at least two sides of equal length.

Front

What is a right angle?

Back

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

Front

What is a trapezoid?

Back

A trapezoid is a quadrilateral with at least one pair of parallel sides.