Basic Geometric Terms

Name this geometric image

• rays

• line

• line segment

• parallel lines

Select the adjacent angles

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Which image is a piece or part of a line having two endpoints?

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Draw a ray.

Vertical angles are...

• each of the pairs of opposite angles made by two intersecting lines

• two angles whose measures add up to 180 degrees

• two angles that share a common vertex and a common side

• two angles whose measures add up to 90 degrees

Which answer is the most precise name for this image?

• angles

• adjacent angles

• complementary angles

• suplementary angles

Which geometric term best describes this image?

• plane

• vertical

• adjacent

• equidistant

Which definition describes?

• the same distance

• an exact location, having no size

• a flat surface that extends forever in two dimensions, but has no thickness

• lines on a plane that never meet...always the same distance apart

Select the image below that are supplementary angles.

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Identify one set of vertical angles.