Formulas One
Terms
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- 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 x r
- 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
- 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.