PSAT Flashcard Geometry

Front

What is the relationship between parallel lines and angles formed by a transversal?

Back

When a transversal crosses parallel lines, corresponding angles are equal, alternate interior angles are equal, and consecutive interior angles are supplementary.

Front

What is the distributive property in algebra?

Back

The distributive property states that a(b + c) = ab + ac. It allows you to multiply a single term by two or more terms inside a set of parentheses.

Front

Back

Front

What is the definition of tangent in a right triangle?

Back

Front

What is the concept of similar triangles?

Back

Similar triangles have the same shape but may differ in size. Their corresponding angles are equal, and the lengths of corresponding sides are proportional.

Front

What is the formula for the area of a triangle?

Back

Front

What is the Pythagorean theorem?

Back

Front

What does it mean for two angles to be complementary?

Back

Two angles are complementary if the sum of their measures is 90 degrees.

Front

What is the formula for the circumference of a circle?

Back

Front

What is the definition of a linear equation?

Back