Formulas
Geometry
Algebra
Ratios and Proportions
Vocabulary
50
The formula for the area of a rectangle.
Length times width
50
The perimeter and area of a square with a side length of 5 inches.
Perimeter: 20in.
Area: 25 sq. in.
50
x + 4 = 98
x = 94
50
y = 35
50
The name for a straight line from the edge to the center of a circle.
Radius
100
The formula for the area of a triangle.
Base times height divided by 2 OR 1/2 base times height.
100
I had a circle with a diameter of 4 meters. Then I dilated it with a scale factor of 3. What is the diameter now?
The diameter is 12 meters.
100
3x - 5 = 31
x = 12
100
Is this a proportion?
Yes
100
How much space a three dimensional object takes up.
Volume
150
The formula for the area of a circle.
Pi times radius squared.
150
I am keeping cows in my triangular enclosure. The two perpendicular sides are 9 feet and 12 feet. What is the length of the diagonal side?
15 feet.
150
4x + 7 + 3x - 8 = 20
x = 3
150
7 pounds of fondue for $10.43. How much does 10 pounds cost?
$14.90
150
The diagonal line on a right triangle.
Hypotenuse
200
The Formula for the volume of a cylinder.
Pi times radius squared times height
200
I ate an ice cream cone that was 8 inches tall and had a diameter of 3 inches. How much ice cream can I fit in it if the ice cream goes to the rim of the cone?
Approximately 18.84 (or 18.85) cubic inches of ice cream.
200
2x - 6 = 5x + 9
x = -5
200
Gas costs $3.99 right now. You need to fill your tank from empty. You pay $53.87. How many gallons are you putting in your car? (to the nearest tenth)
13.5 gallons
200
The guy who came up with a2 + b2 = c2
Pythagorus
250
The formula for the volume of a cone.
Pi times radius squared times height divided by 3 OR 1/3 Pi times radius squared times height.
250
What is x?
118 degrees
250
x divided by 7 + 12 = 16
x = 28
250
Yogurt is $8.76 for 2/3 of a gallon. How much does 13 gallons cost?
$170.82
250
The name of the line that cuts diagonally across two parallel lines.
Transversal