ACT Formulas

The following formula is for the area of :
A=πr²

• Square
• Cylinder
• Circle
• Triangular Prism

Tags

CCSS.7.G.B.4

Area of a square:

• A=½bh
• A=πr²
• A=s²
• A=s+s+s+s

Tags

CCSS.4.MD.A.3

CCSS.3.MD.C.7B

The following formula is for the area of:
A=½bh

• Rectangle
• Circle
• Triangle
• Trapezoid

Tags

CCSS.6.G.A.1

Circumference of a Circle

• C=πr²
• C=2πr
• C=2π

Tags

CCSS.7.G.B.4

Area of a Triangle

• A=bh⁄2
• A=b+h
• A=bxhx2

Tags

CCSS.6.G.A.1

Area of a Parallelogram

• A=bh
• A=2bh
• A=b₂xh₂

Tags

CCSS.6.G.A.1

What is the formula for volume of a CYLINDER?

• V = πr²
• V = πr²h
• V =  ⅓πr²h
• V =  ⅓LWH

Tags

CCSS.8.G.C.9

CCSS.HSG.GMD.A.3

Percent of change formula

• Low-High
• Original - High = low
• Original - Low + High
• High - Low / original

Tags

CCSS.6.RP.A.3C

Pythagerean Theorem

• y=mx+b
• a^2+b^2 = c^2
• a+b=c
• a-b=c

Tags

CCSS.8.G.B.8

slope intercept form

• a^2+b^2 = c^2
• m+b=y
• y=mx+b
• y=a+mb

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3