Unit 9 Vocab Quiz

What is an acute angle?

• An angle that measures exactly 90 degrees.

• An angle that measures more than 90 degrees but less than 180 degrees.

• An angle that measures more than 0 degrees but less than 90 degrees.

• An angle that measures more than 180 degrees.

What are alternate exterior angles?

• Two angles that are on the inside of two lines and are on opposite sides of a transversal.

• Two angles that are on the outside of two lines and are on opposite sides of a transversal.

• Two angles that are on the same side of a transversal and inside the two lines.

• Two angles that are adjacent and on the outside of two lines.

What does congruent mean in geometry?

• Having a different shape but the same size.

• Having the same shape but different sizes.

• Equal in measure.

• Adjacent to each other.

What defines congruent figures?

• Two shapes that have similar shapes but different sizes.

• Two shapes that have the exact same shape and a similar size.

• Two shapes that have the exact same shape and the exact same size.

• Two shapes that are mirror images of each other.

What are corresponding angles?

• Two angles that are on the same side of a transversal and both inside the two lines.

• Two angles that are on opposite sides of a transversal and both outside the two lines.

• Two non-adjacent angles that are on the same side of a transversal with one angle inside the two lines and the other on the outside of the two lines.

• Two adjacent angles that are on the same side of a transversal.

What does it mean if figures have corresponding parts?

• The figures are similar in shape but not in size.

• The figures are congruent but their corresponding angles and sides do not match.

• The figures are different in both shape and size.

• The angles and sides in similar or congruent figures that match.

What is an equilateral triangle?

• A triangle in which no sides are congruent.

• A triangle in which only two sides are congruent.

• A triangle in which all sides are congruent.

• A triangle with one right angle.

What is an isosceles triangle?

• A triangle with no congruent sides.

• A triangle that has two or more congruent sides.

• A triangle with all sides of different lengths.

• A triangle with one angle measuring more than 90 degrees.

What does an obtuse angle measure?

• Less than 90 degrees.

• Exactly 90 degrees.

• More than 90 degrees but less than 180 degrees.

• Exactly 180 degrees.

How much does a right angle measure?

• 180 degrees.

• More than 90 degrees.

• 90 degrees.

• Less than 90 degrees.