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100

This polygon has 4 sides and 4 vertices (ex. trapezoid, rhombus....)

A quadrilateral

100

This type of angle forms a square corner.

Right angle

100

A ______ is straight, continues in both directions, and does not end.

A line
100

Lines that never cross, meet, or intersect

Parallel lines

100

A triangle that has 3 equal sides

An equilateral

200

This polygon has 5 sides and 5 vertices

Pentagon

200

This angle is less than a right angle.

Acute angle

200

An _______ is straight, is part of a line, has 1 endpoint, and continues in one direction.

An arm
200

Lines that cross or meet to form any type of angle

Intersecting lines

200

Name the type of triangle that has 2 equal sides and 1 different side.

An isosceles triangle

300

This polygon has 6 sides and 6 vertices

A hexagon

300

If you look at the corner of the door, what type of angle does it form?

A right angle

300

What unit do we measure angles in?

Degrees

300

Intersecting lines that cross or meet to form a right angle

Perpendicular lines

300

Name the type of triangle that has 3 sides with different lengths

A scalene triangle

400
This polygon has 10 sides and 10 vertices
What is a decagon?
400

This angle is formed by two arms pointing in opposite directions and form a line.

A straight angle
400

An angle is formed by 2 rays that share an endpoint. That shared endpoint is called a ______.

Vertex

400

An angle that is 360 degrees.

A revolution

400

A special type of rectangle. This quadrilateral has 4 equal sides, 4 right angles, and 2 pairs of parallel sides.

A square

500

This polygon has 8 sides and 8 vertices

An octagon

500

This angle is greater than a right angle but less than a straight angle.

An obtuse angle

500

A _____ is an exact position or location.

A point

500

An angle that is 238 degrees.

A reflex angle

500

An angle that is 110 degrees.

An obtuse angle

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