Points, Line Segments, Lines, Angles and Rays

This is what kind of angle?

• obtuse

• right

• straight

• acute

Tags

CCSS.4.G.A.1

What type of angle is shown?

• acute

• obtuse

• right

• straight

Tags

CCSS.4.G.A.1

What is the definition of an acute angle?

• Lines that intersect to form right angles.

• An angle that is open more than a right angle but less than a straight angle. This angle measures between 90 and 180 degrees.

• An angle that forms a square corner and has a measure of 90 degrees.

• An angle that is open less than a right angle and has a measure less than 90 degrees.

Tags

CCSS.4.G.A.1

What is the definition of an obtuse angle?

• An angle that is open more than a right angle but less than a straight angle. This angle measures between 90 and 180 degrees.

• An angle that forms a square corner and has a measure of 90 degrees.

• An angle that is open less than a right angle and has a measure less than 90 degrees.

• Lines that intersect to form right angles.

Tags

CCSS.4.G.A.1

Define Right Angle

• Less than 90

• Exactly 90

• Greater than 90 and less than 180

• Exactly 180

Tags

CCSS.4.G.A.1

What is this tool called and what is it used for?

• A ruler used to measure lines.

• A protractor used to measure lines.

• A ruler used to measure angles.

• A protractor used to measure angles.

Tags

CCSS.4.MD.C.6

What is the measure and type of the angle shown in the picture?

• 53 degrees; acute

• 53 degrees; obtuse

• 127 degrees; acute

• 127 degrees; obtuse

Tags

CCSS.4.MD.C.6

What type of lines do the railroad tracks look like?

• Parallel lines

• Intersecting lines

• Line segments

• Perpendicular lines

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1