ACT Math Prep
Area of a Triangle—ANSWER--A = (1/2)(b)(h)
Perimeter of a Square—ANSWER--P = 4(s)
Area of a Trapazoid—ANSWER--a and b are the two bases
Area of a Rectangle—ANSWER--A = (l)(w)
Properties of a Rectangle—ANSWER---4 right angles; -Diagonals bisect
each other and are congruent; -Opposite sides are equal
Similar Triangles—ANSWER--corresponding angles are equal,
corresponding sides are proportionate
Sine Ratio—ANSWER--SOH
Cosine Ratio—ANSWER--CAH
Tangent Ratio—ANSWER--TOA
Multiplying Terms with Exponents—ANSWER--add the exponents
Dividing Terms with Exponents—ANSWER--subtract the exponents
, Distributing Exponents—ANSWER--multiply the exponents
Negative Exponent—ANSWER--take the reciprocal and change the
exponent to positive
Volume of a Cube—ANSWER--V = s s s
Parallel Lines—ANSWER--same slope, different y intercept, no points in
common
Secant Ratio - sec(A)—ANSWER--1/cos(A) = Hypotenuse/Adjacent
Cosecant Ratio - csc(A)—ANSWER--1/sin(A) = Hypotenuse/Opposite
Cotangent Ratio - cot(A)—ANSWER--1/tan(A) = Adjacent/Opposite
Tan(A)—ANSWER--Sin(A)/Cos(A)
Percent Change—ANSWER--% change = [(new value - old value)/ old value]
x 100
what percent—ANSWER--x/100
is—ANSWER--=
the product of—ANSWER--* (multiplication)
the sum of—ANSWER--+ (addition)
(positive)*(negative)—ANSWER--= (negative)
© 2026 Copyright. All Rights Reserved. This document is
protected by copyright law, Copyrighted By Brittie Donald
Area of a Triangle—ANSWER--A = (1/2)(b)(h)
Perimeter of a Square—ANSWER--P = 4(s)
Area of a Trapazoid—ANSWER--a and b are the two bases
Area of a Rectangle—ANSWER--A = (l)(w)
Properties of a Rectangle—ANSWER---4 right angles; -Diagonals bisect
each other and are congruent; -Opposite sides are equal
Similar Triangles—ANSWER--corresponding angles are equal,
corresponding sides are proportionate
Sine Ratio—ANSWER--SOH
Cosine Ratio—ANSWER--CAH
Tangent Ratio—ANSWER--TOA
Multiplying Terms with Exponents—ANSWER--add the exponents
Dividing Terms with Exponents—ANSWER--subtract the exponents
, Distributing Exponents—ANSWER--multiply the exponents
Negative Exponent—ANSWER--take the reciprocal and change the
exponent to positive
Volume of a Cube—ANSWER--V = s s s
Parallel Lines—ANSWER--same slope, different y intercept, no points in
common
Secant Ratio - sec(A)—ANSWER--1/cos(A) = Hypotenuse/Adjacent
Cosecant Ratio - csc(A)—ANSWER--1/sin(A) = Hypotenuse/Opposite
Cotangent Ratio - cot(A)—ANSWER--1/tan(A) = Adjacent/Opposite
Tan(A)—ANSWER--Sin(A)/Cos(A)
Percent Change—ANSWER--% change = [(new value - old value)/ old value]
x 100
what percent—ANSWER--x/100
is—ANSWER--=
the product of—ANSWER--* (multiplication)
the sum of—ANSWER--+ (addition)
(positive)*(negative)—ANSWER--= (negative)
© 2026 Copyright. All Rights Reserved. This document is
protected by copyright law, Copyrighted By Brittie Donald
