ACT Geometry Practice

Front

What is the Pythagorean Theorem?

Back

Front

How do you calculate the length of the hypotenuse in a right triangle?

Back

Front

What is the sum of the angles in a triangle?

Back

The sum of the interior angles in any triangle is always 180 degrees.

Front

What is a right triangle?

Back

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

Front

What is the definition of complementary angles?

Back

Complementary angles are two angles whose measures add up to 90 degrees.

Front

What is the definition of supplementary angles?

Back

Supplementary angles are two angles whose measures add up to 180 degrees.

Front

What is the relationship between the angles in a right triangle?

Back

In a right triangle, one angle is 90 degrees, and the sum of the other two angles must be 90 degrees.

Front

What is the formula for the area of a triangle?

Back

Front

What is the definition of a scalene triangle?

Back

A scalene triangle is a triangle in which all three sides have different lengths.

Front

What is the definition of an isosceles triangle?

Back

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