4th Grade Geometry Review

Front

What is a right triangle?

Back

A right triangle is a triangle that has one angle measuring 90 degrees.

Front

What is the measurement of a quarter of a circle?

Back

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 rhombus?

Back

A rhombus is a type of polygon that is a quadrilateral with all four sides of equal length.

Front

What is the estimated measure of a right angle?

Back

45 degrees is an estimate for angles that are close to a right angle.

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 polygon?

Back

A polygon is a closed figure with three or more straight sides.

Front

What is the difference between acute and obtuse angles?

Back

Acute angles measure less than 90 degrees, while obtuse angles measure more than 90 degrees.

Front

What is a circle?

Back

A circle is a round shape where all points are the same distance from the center.

Front

What is a vertex in geometry?

Back

A vertex is a point where two or more lines meet.