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26 Cards in this Set

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Circumference of a circle
C = 2 x (pi) x r
Circumference of a circle
C = pi x d
Area of a square
A = s (squared)
Area of a rectangle
A = l x w
Area of a triangle
A = 1/2 x b x h
Area of a Circle
A = pi x r (sqared)
Perimeter of a rectangle
P = 2L + 2W
Volume of a rectangular prism
V = l x w x h
Distance
D = r x t
Area of a parallelogram
A = bh or A = b x h
Area of a Circle
A = pi x r x r
Divisor
The number by which a dividend is divided.
54 / 6 = 9
6 is the divisor
equation
a mathematical sentence with an equal sign.
equilateral triangle
a triangle with all sides congruent
congruent figures
figures that have the same size and shape
dividend
a number that is divided by another number.
54 / 6 = 9
54 is the dividend
exponent
a number used to tell how many times the base is used as a factor.
In 5₃the exponent is 3.
improper fraction
a fraction in which the numerator is greater than or equal to the denominator.

10/5 is improper
intersecting lines
lines that cross
isosceles triangle
a triangle that has two congruent sides
decimal
another way to write fractions and mixed numerals when the denominators are 10, 100, and so on, 1 26/100 written as a decimal is 1.26.
acute angle
an angle that has a measure between 0 and 90 degrees
average
the number each member of a set would be if all the members were the same. The average is found by dividing the sum of the members by the number of addends.
circumference (C)
the distance around a circle
attach
to write zeros after the last digit in the dividend. Two zeros were attached to 9 in the division problem below.

9.00 / 4 (see p 423)
rectangle
a parallelogram with all angles congruent.