Famous
Formulas
Fabulous
Figures
Missing Numbers
What's your angle?
Equivalents

100

This formula is valuable for figuring out the area of a Dorito.

What is 1/2 times base times height? or 


What is base times height divided by 2?
100

This twenty sided Platonic solid is hard to pronounce.

What is icosohedron?

100

-13 + n = 3

What is 16?

100

  An octagon has this many angles.

What is 8?

100

There are this many ounces in a pound.

What is 16?

200
If I want to paint the walls of my bedroom, I need to use this mathematical formula so I buy enough paint.

What is length times width?

200

This is another name for a cube.

What is hexahedron?

200

3n = 180

What is 60?

200

Two angles that equal the sum of 180.

What are supplementary angles?

200

This metric measure of liquid is a little more than a quart.

What is a liter?

300

As I drift off to sleep, I am curious to learn how to determine to how many cubic feet of space is in my bedroom.  

What is length times width times height?

300

This 2D figure has 7 sides.

What is a heptagon?

300

242÷n = 2

What is 121?

300

The sum of the angles in a quadrilateral figure.

What is 360?

300

This is the amount of grams in a kilogram.

What is 1000?

400

I need to purchase rope to use to make boundaries for a game.  I want my circle to be 15 feet across.  What formula would I use to calculate how much rope to buy? 

What is pi times the diameter?

400

A dodecahedron is made of 12 of these.

What are pentagons?

400

-3 x -5 x 2 x -5 =n

What is -150?

400

Any four sided shape can be divided into two of these shapes whose interior angles have the sum of 180.

What are triangles?

400

This is about how many centimeters are in an inch.

What is 2.5 cm?  (2.54 cm to be exact)

500
I am curious to know the volume of my can of soup so I use this tricky formula to figure it out.

What is pi times the radius squared times the height of the can?

500

Three types of triangles according to their SIDES not angles!

What are equilateral, isosceles, and scalene?
500

1/4 of n is 50

What is 200?

500

The sum of the EXTERIOR angles of any regular polygon.

What is 360?

500

This many feet make a mile.

What is 5,280?