Section 1

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octagon

Front

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Last updated

1 year ago

Date created

Mar 1, 2020

Cards (28)

Section 1

(28 cards)

octagon

Front

8 sides

Back

area

Front

The space inside a figure.

Back

triangle

Front

3 sides

Back

trapezoid

Front

-1 pair of parallel sides

Back

intersecting lines

Front

__________ lines cross at one point.

Back

right triangle

Front

One angle is a right angle.

Back

pentagon

Front

5 sides

Back

isosceles triangle

Front

At least 2 sides are the same length.

Back

square

Front

-4 right angles -all sides are the same length

Back

line

Front

A __________ is a set of point that is endless in both directions.

Back

acute triangle

Front

All 3 angles are acute angles.

Back

obtuse triangle

Front

One angle is an obtuse angle.

Back

scalene triangle

Front

No sides are the same length.

Back

line segment

Front

A __________ is part of a line, it has 2 endpoints.

Back

volume

Front

The number of cubic units needed to fill a solid figure.

Back

ray

Front

A __________ is part of a line that is endless in one directions. It has one endpoint.

Back

parallel lines

Front

__________ lines never cross.

Back

acute angle

Front

An __________ angle is less than a right angle or 90-degrees.

Back

equilateral triangle

Front

All sides are the same length.

Back

quadrilateral

Front

4 sides

Back

rhombus

Front

-opposite sides are parallel -all sides are the same length

Back

obtuse angle

Front

An __________ angle is greater than a right angle or 90-degrees.

Back

right angle

Front

A __________ angle makes a square corner. It is also called a 90-degree angle

Back

perimeter

Front

The distance around a figure.

Back

polygon

Front

A ___________ is a closed figure made up of straight line segments.

Back

hexagon

Front

6 sides

Back

parallelogram

Front

-opposite sides are parallel and same length

Back

rectangle

Front

-4 right angles -opposite sides are the same length

Back