Practice test

Front

What is the value of x in the diagram if x = 80?

Back

x = 80

Front

Which of the following is NOT an undefined term? Point, Line, Plane, Angle?

Back

Angle

Front

What construction is modeled by the diagram if it represents an angle bisector?

Back

Angle bisector

Front

Which of the following could NOT be the lengths of the three sides of a triangle? 3 inches, 4 inches, 5 inches; 5 centimeters, 12 centimeters, 13 centimeters; 4 yards, 6 yards, 8 yards; 3 millimeters, 6 millimeters, 9 millimeters?

Back

3 millimeters, 6 millimeters, 9 millimeters

Front

What is a counterexample that proves the statement 'All quadrilaterals with four right angles have congruent sides' is false?

Back

Rectangle

Front

Define an undefined term in geometry.

Back

An undefined term is a basic concept that is not formally defined but is understood through its use, such as point, line, and plane.

Front

What is the definition of an angle bisector?

Back

An angle bisector is a line or ray that divides an angle into two equal parts.

Front

What is the Triangle Inequality Theorem?

Back

The Triangle Inequality Theorem states that the sum of the lengths of any two sides of a triangle must be greater than the length of the third side.

Front

What is a counterexample?

Back

A counterexample is an example that disproves a statement or proposition.

Front

What is the difference between a rectangle and a square?

Back

A rectangle has opposite sides equal and four right angles, while a square has all sides equal and four right angles.