Formulas
A=lw
What is the area of a rectangle?
Which one makes a larger circle? A circle with a radius of 9" or a circle with a diameter of one foot?
Distance around a figure?
What is the perimeter
What are proportions?
(V) represents this specific item or measure.
What is volume?
The distance around a circle
Circumference
An amount of money borrowed or deposited
Principal
How can proportions help you decide when things are
"fair"?
Examples: buying products, hours to pay
A=1/2bh
What is area of a triangle?
A figure made up of triangles, squares, rectangles, semicircles, and other two-dimensional figures
Composite Figures
The cross products of a proportion are equal.
Cross Product Property
This is a comparison of two quantities using division.
What is ratio?
You square this when finding the area of a circle.
What is (r) radius?
You use this formula to calculate the area of a circle.
A=pi times radius2
The side of a right triangle that is opposite the right angle.
Hypotenuse
distance divided by time
What is how do you calculate speed?
If you used this formula, A=3/4pi2. What would you find?
What is 3/4 the area of a circle?
He was a Greek mathematician, physicist, engineer, and astronomer.
Who is Archimedes
A number that, when multiplied by itself, equals a given number.
Square Root
Change in y divided by Change in x
What is finding the slope of a line?