Statistics for Math Formulas (7th grade+ )

Click here to take the quiz!

Formula	Answer	% Correct
x=(-b±√(b^2-4ac))/2a	Quadratic Formula	69%
Side Squared	Area of a Square	65%
bh/2	Area of a Triangle	55%
πr^2	Area of a Circle	49%
a^2+b^2=c^2	Pythagorean Theorem	47%
2πr	Circumference of a Circle	44%
(4/3)(π)(r^3)	Volume of a Sphere	40%
h(πr^2)	Volume of a Cylinder	36%
((πr^2) x h)/3	Volume of a Cone	27%
h(a+b/2)	Area of a Trapezoid	24%
πab	Area of an Ellipse	11%
2(1+√2)a^2	Area of a Regular Octagon	5%
1/4√5(5+2√5)a^2	Area of a Regular Pentagon	5%
(4/3)(π)(a)(b)(c)	Volume of an Ellipsoid	4%
(3√3/2)a^2h	Volume of a Regular Hexagonal Prism	2%