Mathematics Reference Sheet - Ohio Department of Education

Ohio Graduation Tests Mathematics Reference Sheet
Information that may be needed to solve problems on the Mathematics Test:
Volume Formulas
Area Formulas
parallelogram
A = bh
rectangle
A = lw
trapezoid
A=
triangle
A=
V=
cylinder
1
h(b1 + b2 )
2
V = π r 2h
pyramid
V=
1
bh
2
rectangular prism
V = lwh
right prism
V = Bh
sphere
V=
Circle Formulas
C = 2π r
A = π r2
1 2
πr h
3
cone
22
π ≈ 3.14 or
7
1
Bh
3
B = area of base
B = area of base
4 3
πr
3
Trigonometry
Combinations
n!
n Cr = C ( n, r ) =
r !( n − r )!
Permutations
n!
n Pr = P ( n, r ) =
( n − r )!
sin A =
opposite
hypotenuse
cos A =
adjacent
hypotenuse
tan A =
opposite
adjacent
Distance Formula
d=
( x2 − x1 )
2
+ ( y 2 − y1 )
2
Quadratic Formula
x=
− b ± b 2 − 4ac
2a
12/20/05