Back
Flashcards: PreAlgebra Formulas
Area of a rectangle
A=bh
Area of a square
A=s²
Area of a triangle
A=½bh
Perimeter of a rectangle
P=2l+2w
Perimeter of a square
P=4s
Perimeter of a triangle
P=a+b+c
Area of a Circle
A=πr²
Circumference of a Circle
C = 2πr or C = πd
Volume of a Rectangular Prism
V=lwh
Area of a trapezoid
A = ½ *h*(b₁+b₂)