Geometry Review

Front

What are vertical angles?

Back

Angles that are opposite of each other when lines intersect.

Front

If m∠1 = 30°, what is m∠3 if ∠1 and ∠3 are vertical angles?

Back

m∠3 = 30°.

Front

What are complementary angles?

Back

Two angles that add up to 90°.

Front

If the measure of ∠2 is 83°, what is the measure of ∠3 if ∠2 and ∠3 are supplementary angles?

Back

m∠3 = 97°.

Front

What is the definition of supplementary angles?

Back

Two angles that add up to 180°.

Front

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

Back

180°.

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 * base * height.

Front

What is the Pythagorean theorem?

Back

In a right triangle, a² + b² = c², where c is the hypotenuse.

Front

What are alternate interior angles?

Back

Angles that are on opposite sides of a transversal and inside the two lines.

Front

What is the relationship between corresponding angles when two parallel lines are cut by a transversal?

Back

Corresponding angles are equal.