Post on 23-Jun-2020
KENTUCKY MATHEMATICS REFERENCE SHEET Grades 7 and 8
FORMULAS FOR PLANE FIGURES
Parallelogram:
Trapezoid:
Triangle:
Circle:
Right Triangle:
A bh =
A b b h= +( )1 2 1 2
A bh = 1 2
C r= 2�
A r= � 2
c a b2 2 2= +
The Pythagorean Formula A
b
C
c
Ba
FORMULAS FOR SOLID FIGURES
Right Prism: V = Bh (B is the area of the base.)
Right Cylinder: V = r h� 2
Regular Pyramid: V = 1 3 Bh
Cube: V = e3
SA = e6 2
Cone: V = 1 3
r h� 2
Sphere: V = 4 3
r� 3
Kentucky Performance Rating for Educational Progress January 2012