SC Geometry - Unit 1 Review

Front

What are supplementary angles?

Back

Angles that add up to 180°.

Front

What are vertical angles?

Back

Angles that are opposite each other when two lines intersect.

Front

If angle ∠ABD is 67°, what is the measure of angle ∠DBC if they are supplementary?

Back

23°.

Front

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

Back

180°.

Front

What is the definition of complementary angles?

Back

Angles that add up to 90°.

Front

If m∠7 = 115°, what is the measure of angle ∠5 if they are complementary?

Back

65°.

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 is the definition of a right angle?

Back

An angle that measures 90°.

Front

What is the relationship between the angles in a linear pair?

Back

They are supplementary and add up to 180°.