4th Grade Geometry Review

Front

What does it mean if two sides of a shape have the same marks on them?

Back

Those sides are congruent.

Front

What is the measure of a right angle?

Back

Exactly 90 degrees.

Front

In a triangle, if all sides are the same length, how many sides are different?

Back

0.

Front

In a triangle, if all sides are the same length, how many sides are congruent?

Back

3.

Front

What is the measure of an acute angle?

Back

Less than 90 degrees.

Front

What do we call angles that are greater than 90 degrees?

Back

Obtuse angles.

Front

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

Back

180 degrees.

Front

What do we call a triangle with one angle greater than 90 degrees?

Back

Obtuse triangle.

Front

What do we call a triangle with all sides of different lengths?

Back

Scalene triangle.

Front

What do we call a triangle with at least two sides of equal length?

Back

Isosceles triangle.