******Not all necessary formulas are on these flashcards; view my profile for complete notes****** If you're looking at this set before October 28th 2023: This flash card set may be incomplete. Please, please, please do not view this as a one stop ticket for the ACT math portion. The ACT Math portion is mostly made of word problems. I've only created this set to provide important formulas that should be memorized .**If are reading this last minute before you take the ACT** You should prioritize memorizing the geometry formulas; The ACT has a lot of questions about geometry and this should be your #1 priority.
Midpoint Formula
Area of a triangle
Ā½bh
Area of a square
SĀ²
Area of a rectangle
LW
Area of a Parallelogram
BH
Area of a Trapezoid
Ā½(B1 +B2) H
Area of a circle
ĻrĀ²
Area of a rhombus
Ā½d,d2
Volume of a prism
LWH
Volume of a cylinder
ĻrĀ²h
Degrees of a triangle
180Ā°
Circle
360Ā°
Quadrilateral
360Ā°
Degrees of a figure with ānā sides
180(n-2)
Circumference
2Ļr = Ļd