Informal Geometry Vocab

an angle that forms a square corner

• right angle
• rectangle
• acute angle

Tags

CCSS.4.G.A.1

lines that cross or meet and form angles

• parallel lines
• intersecting lines
• ray

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

an exact position or location

• line
• point
• ray

Tags

CCSS.HSG.CO.A.1

formed by 2 rays or line segments that share the same endpoint

• line segment
• angle
• point

Tags

CCSS.4.G.A.1

a part of a line with one end point and continues in one direction

• point
• line segment
• ray

Tags

CCSS.4.G.A.1

a part of a line that has 2 endpoints

• line segment
• ray
• angle

Tags

CCSS.4.G.A.1

a straight path that continues in both directions

• line
• ray
• segment

Tags

CCSS.4.G.A.1

What is an acute angle?

• An angle whose measure is between 180 and 360 degrees.

• An angle whose measure is between 0 and 360 degrees.

• An angle whose measure is between 0 and 180 degrees.

• An angle whose measure is between 0 and 90 degrees.

Tags

CCSS.4.G.A.1

What is collinear?

• Lines that have semicolons.

• Points that are scattered.

• Points that lie on the same straight line.

• Lines that are linear.

What is an obtuse angle?

• An angle that measures exactly 90 degrees.

• An angle that is greater than 0 degrees but less than 90 degrees.

• An angle that is less than 90 degrees but greater than 180 degrees.

• An angle that is greater than 90 degrees but less than 180 degrees.

Tags

CCSS.4.G.A.2