Geometry Unit 5 Assessment

Front

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

Back

180 degrees.

Front

Define a right triangle.

Back

A triangle with one angle measuring 90 degrees.

Front

What is the Pythagorean theorem?

Back

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

Front

What are complementary angles?

Back

Two angles that add up to 90 degrees.

Front

What are supplementary angles?

Back

Two angles that add up to 180 degrees.

Front

Define congruent triangles.

Back

Triangles that are identical in shape and size.

Front

What is the formula for the area of a rectangle?

Back

Area = length × width.

Front

What is the formula for the circumference of a circle?

Back

Circumference = 2πr, where r is the radius.

Front

What is a polygon?

Back

A closed figure with three or more straight sides.

Front

Define a parallelogram.

Back

A quadrilateral with opposite sides parallel and equal in length.