Mrs. DeWulf - Math Vocabulary

What is the math definition for RAY?

• A part of a line that has a fixed starting point and extends infinitely in one direction.

• The point where two or more lines meet, commonly used in geometry.

• An angle that measures less than 90 degrees.

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

Vertex is the point where _____________ or more lines meet, commonly used in geometry.

What is an ACUTE ANGLE?

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

• An angle that measures more than 180 degrees but less than 270 degrees.

• An angle that measures less than 90 degrees.

• An angle that measures exactly 180 degrees.

What is a STRAIGHT ANGLE?

What is a VERTICAL?

• Angles that are next to each other and share a common side.

• Two angles whose measures add up to 90 degrees.

• Lines or angles that are opposite each other when two lines intersect.

• An angle that measures exactly 180 degrees.

What is ADJACENT?

• The point where two or more lines meet, commonly used in geometry.

• A part of a line that has a fixed starting point and extends infinitely in one direction.

• An angle that measures less than 90 degrees.

• Angles that are next to each other and share a common side.

What is an OBTUSE ANGLE?

What is a COMPLEMENTARY ANGLE?

• Two angles whose measures add up to 180 degrees.

• Angles that are next to each other and share a common side.

• Two angles whose measures add up to 90 degrees.

• An angle that measures less than 90 degrees.

This word means common endpoint.

• vertex

• point

• ray

• angle

What is an ACUTE ANGLE?