Geometric Formulas - 7th grade Flashcards
1
Q
Perimeter of a Rectangle
A
P = 2L + 2W
2
Q
Circumference of a Circle
A
C = pi(d) or C = 2pi(r)
3
Q
Area of a Square
A
A = s^2
4
Q
Area of a Parallelogram and Rectangle
A
A = bh
5
Q
Area of a Triangle
A
A = 1/2 bh
6
Q
Area of a Trapezoid
A
A = 1/2 h(b1 +b2)
7
Q
Area of a Circle
A
A = pi(r^2)
8
Q
Lateral Area of a Rectangular Prism
A
LA = ph
9
Q
Surface Area of a Rectangular Prism
A
SA = LA + 2B
10
Q
Lateral Area of a Cylinder
A
LA = 2pi(r)(h)
11
Q
Lateral Area of a Cylinder
A
SA = LA + 2B
12
Q
Lateral Area of a Pyramid
A
LA = 1/2pl = n(1/2bl)
13
Q
Surface Area of a Pyramid
A
SA = LA + B
14
Q
Lateral Area of a Cone
A
LA = pi(r)(l)
15
Q
Surface Area of a Cone
A
SA = LA + B
