Quadrilaterals
Angles
Points, lines, rays, and line segments
Polygons
Mystery
100

Name a quadrilateral with 4 equal sides and 4 right angles.

square

100

the kind of angle on a square or rectangle

right angle

100

We usually use ___________ to name points, rays, lines, line segments, and angles.

letters

100

any polygon with four sides

quadrilateral

100

the point where edges meet

vertex or vertices

200

a quadrilateral with 4 equal sides

rhombus

200

an angle that is smaller than 90 degrees

acute angle

200

A _____ is a single place, shown by a dot.

point

200

any polygon with six sides

hexagon


200

Two lines that will never intersect are _____.

parallel

300

a quadrilateral with 4 right angles and opposite sides are equal in length and parallel

rectangle

300

an angle that is larger than 90 degrees

obtuse

300

A ________ goes on forever in both directions, which is shown by arrows on the end.

line

300

any polygon with eight sides

octagon

300

Two lines that intersect and make right angles are _______.

perpendicular

400

Name a quadrilateral with opposite sides that are equal are parallel

parallelogram

400

an angle that is exactly 90 degrees, like the corner of a piece of paper

right angle

400
A ________________ is a section of a line and has two endpoints.

line segment

400

any polygon with five sides

pentagon

400

The distance around the edge of a shape is called the _______.

perimeter

500

quadrilateral with one set of parallel sides

trapezoid

500

The two kinds of angles you would find on a rhombus, but not a square.

acute and obtuse

500

A _____ has one endpoint and goes on forever in one direction.

ray

500

a polygon with all equal sides

a regular polygon

500

The measure of the flat space inside a shape is called the _____.

area