Question 1

In a right triangle, what is the sum of the angles, including the right angle?

Accepted Answer

180 degrees

Answer

360 degrees

Answer

270 degrees

Answer

90 degrees

Question 2

If two lines are cut by a transversal and the alternate interior angles are congruent, what can be said about the two lines?

Accepted Answer

The lines are parallel.

Answer

The lines are skew.

Answer

The lines are perpendicular.

Answer

The lines intersect at a right angle.

Question 3

What is the relationship between consecutive interior angles when two parallel lines are crossed by a transversal?

Accepted Answer

They are supplementary.

Answer

They are congruent.

Answer

They are complementary.

Answer

They are vertical angles.

Question 4

What is the definition of a median in a triangle?

Accepted Answer

A segment from a vertex to the midpoint of the opposite side.

Answer

A line that is perpendicular to the base.

Answer

A segment connecting two midpoints of the triangle.

Answer

A segment that bisects an angle.

Question 5

If two angles are vertical angles, what is their relationship?

Accepted Answer

They are congruent.

Answer

They are adjacent.

Answer

They are supplementary.

Answer

They are complementary.

Question 6

In a triangle, which point serves as the intersection of the three medians?

Accepted Answer

Centroid.

Answer

Incenter.

Answer

Circumcenter.

Answer

Orthocenter.

Question 7

What type of angle pair is formed when two lines intersect and create two angles that are across from each other?

Accepted Answer

Vertical angles.

Answer

Corresponding angles.

Answer

Alternate exterior angles.

Answer

Consecutive interior angles.

Question 8

When two lines are perpendicular, what is the measure of the angles formed at the intersection?

Accepted Answer

90 degrees.

Answer

120 degrees.

Answer

45 degrees.

Answer

180 degrees.

Question 9

If two angles are complementary, what is the sum of their measures?

Accepted Answer

90 degrees.

Answer

180 degrees.

Answer

45 degrees.

Answer

360 degrees.

Question 10

What is the definition of an angle bisector in a triangle?

Accepted Answer

A segment that splits an angle into two equal parts.

Answer

A line that is perpendicular to a side.

Answer

A segment from a vertex to the opposite side.

Answer

A segment connecting two midpoints of the triangle.

Question 11

Which of the following pairs of angles are considered complementary?

Accepted Answer

30 degrees and 60 degrees

Answer

90 degrees and 90 degrees

Answer

45 degrees and 45 degrees

Answer

30 degrees and 90 degrees

Question 12

What is the relationship between two lines that are perpendicular to the same line?

Accepted Answer

They are parallel to each other

Answer

They form a linear pair

Answer

They intersect at a right angle

Answer

They are collinear

Question 13

What is the definition of the median of a triangle?

Accepted Answer

A segment connecting a vertex to the midpoint of the opposite side

Answer

A line segment that connects two midpoints

Answer

A segment that bisects an angle

Answer

A line segment that is perpendicular to a side

Question 14

Which pair of angles are considered vertical angles?

Accepted Answer

Angles that are opposite each other when two lines cross

Answer

Angles that sum to 180 degrees

Answer

Adjacent angles on the same side

Answer

Angles that share a common side

Question 15

What is a property of alternate interior angles when two parallel lines are cut by a transversal?

Accepted Answer

They are congruent

Answer

They are vertical angles

Answer

They are supplementary

Answer

They are complementary

Question 16

In a right triangle, what is the measure of the right angle?

Accepted Answer

90 degrees

Answer

45 degrees

Answer

60 degrees

Answer

120 degrees

Question 17

Which of the following angles sum up to form supplementary angles?

Accepted Answer

100 degrees and 80 degrees

Answer

90 degrees and 90 degrees

Answer

45 degrees and 45 degrees

Answer

30 degrees and 60 degrees

Question 18

What is the definition of an angle bisector?

Accepted Answer

A ray that divides an angle into two equal parts

Answer

A line that is perpendicular to a side of the triangle

Answer

A segment that connects two midpoints of sides

Answer

A line segment that connects two non-adjacent vertices

Question 19

Which of the following describes corresponding angles when two parallel lines are intersected by a transversal?

Accepted Answer

They are equal in measure

Answer

They are opposite angles

Answer

They are supplementary

Answer

They are adjacent angles

Question 20

What is the measure of each angle in an equilateral triangle?

Accepted Answer

60 degrees

Answer

30 degrees

Answer

45 degrees

Answer

90 degrees

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