# Introduction To Geometry: Lines, Angles, And Triangles

16 Questions | Total Attempts: 503  Settings  Click on the button that completes the definition with the matching vocabulary term.

• 1.
Two lines in a plane that never intersect or cross.
• A.

Supplementary lines

• B.

Parallel lines

• C.

Transversal lines

• D.

Perpendicular lines

• 2.
Angles that have the same vertex, share a common side and do not overlap.
• A.

Complementary angles

• B.

Vertical angles

• C.

• D.

Supplementary angles

• 3.
Angles that measure less than 90 degrees.
• A.

Acute angles

• B.

Obtuse angles

• C.

Right angles

• D.

Straight angles

• 4.
Angles that have measures equal to 180 degrees.
• A.

Acute angles

• B.

Obtuse angles

• C.

Right angles

• D.

Straight angles

• 5.
Lines that intersect at right angles.
• A.

Transversal lines

• B.

Perpendicular lines

• C.

Parallel lines

• D.

Alternating lines

• 6.
Opposite angles that are formed by intersecting lines and is also an angle type that is congruent.
• A.

• B.

• C.

Vertical angles

• D.

• 7.
Angle pairs that has the sum of their measures that equal 90 degrees.
• A.

Straight angles

• B.

Right angles

• C.

Supplementary angles

• D.

Complementary angles

• 8.
Angles that measure greater than 90 degrees and less than 180 degress.
• A.

Acute angles

• B.

Obtuse angles

• C.

Right angles

• D.

Straight angles

• 9.
A line that intersects two or more other lines.
• A.

Perpendicular lines

• B.

Parallel lines

• C.

Transversal lines

• D.

Similar lines

• 10.
Having the same measure.
• A.

Obtuse

• B.

Acute

• C.

Concrete

• D.

Congruent

• 11.
Angle pairs that have the sum of the measure of their angles that equal 180 degrees.
• A.

Supplementary angles

• B.

Complementary angles

• C.

Obtuse angles

• D.

Right angles

• 12.
Angles that have measure that are equal to 90 degrees.
• A.

Straight angles

• B.

Obtuse angles

• C.

Right angles

• D.

Acute angles

• 13.
Three line segments that intersect only at their end points
• A.

Triangle

• B.

This is not a correct answer choice.

• 14.
A triangle with three congruent sides.
• A.

Equilateral triangle

• B.

This is not the correct answer choice.

• 15.
A triangle with no congruent sides.
• A.

Scalene triangle

• B.

This is not the correct answer choice.

• 16.
The name for a geometric shape that has 3 sides and angles. It is also 3 line segments that only intersect at their endpoints.
• A.

This is not the correct answer choice.

• B.

Triangle

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