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memorize.ai (lvl 286)

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Section 1

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circumfrence

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Math

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Last updated

6 years ago

Date created

Mar 1, 2020

Cards (39)

Section 1

(39 cards)

circumfrence

Front

the distance around a circle

Back

straight angle

Front

exactly 180 degrees

Back

line

Front

straight path that goes on in two directions

Back

right triangle

Front

has 1 angle that measures 90 degrees

Back

rhombus

Front

4 congruent (equal) sides, opposite sides are equal

Back

line segment

Front

part of a line with two endpoints

Back

intersecting lines

Front

lines that cross each other at exactly one point and form 4 angles

Back

obtuse angle

Front

any angle greater that 90 degress and less than 180 degrees

Back

radius

Front

A straight line from the center to the circumference of a circle

Back

decagon

Front

10 sides

Back

nonagon

Front

9 sides

Back

heptagon

Front

7 sides

Back

octagon

Front

8 sides

Back

supplementary angle

Front

2 angles that add up to 180 degrees

Back

diameter

Front

line drawn from one circumference through the centerto another circumference

Back

area

Front

the size of a surface

Back

rectangle

Front

has opposite sides that are congruent (equal) and has 4 right angles

Back

pentagon

Front

5 sides

Back

perpendicular lines

Front

lines that intersect to form 4 right angles

Back

acute angle

Front

any angle more than zero and less than 90 degrees

Back

area of a triangle

Front

A=1/2 bh

Back

quadrilateral

Front

4 sides

Back

hexagon

Front

6 sides

Back

scalene triangle

Front

no equal sides

Back

right angle

Front

angle that is exactly 90 degrees

Back

equilateral triangle

Front

3 sides

Back

complementary angle

Front

2 angles that add up to 90 degrees

Back

ray

Front

part of a line with one end point that continues on in one direction

Back

square

Front

has 4 congruent (equal) sides with 4 right angles

Back

area of a rectangle

Front

A=lw

Back

area of a square

Front

A=s x s

Back

trapezoid

Front

has only 1 pair of parallel sides

Back

vertex

Front

point where 2 rays meet

Back

point

Front

exact location in space

Back

parallel lines

Front

lines that never intersect and are always the same distance apart

Back

parallelagram

Front

has opposite sides that are congruent and parallel

Back

isosceles triangle

Front

triangle with at least 2 equal sides

Back

triangle

Front

has 3 sides

Back

polygram

Front

closed figure with 3 or more sides

Back