Equations
a^2 + b^2 = c^2.
Hint: It takes one to know one
What is 360 degrees?
Find the area of a circle.
A=3.14r^2
Hint: Donald in Mathmagic Land
15^2 + 20^2=25^2 Is this true? If you say what these are, you will be current favorite.
What is 1.989 × 10^30 kg?