2.4 Geometry Equations Flashcards
1
Q
Rectangle
* area
* perimeter
A
- area: L x W (or b x h)
- perimeter: 2L + 2W
2
Q
Circle
* area
* perimeter
A
- area: π r^2
- perimeter: 2πr OR πd
3
Q
Triangle
* area
* perimeter
A
- area: 1/2bh
- perimeter: a+b+c
4
Q
Square
* area
* perimeter
A
- area: s^2
- perimeter: 4s
5
Q
Cylinder
* volume
* SA
A
- volume: π r^2h
- SA: 2π r ^2 + 2 π rh
6
Q
Rectangular Prism aka box
* volume
* surface area
A
- volume: L x W x H
- SA: find area of 3 faces and multiply each by 2 and add them together
7
Q
Sphere
* volume
A
- volume: 4/3 π r ^3
8
Q
Cone
* volume
A
1/3 π r ^2 h
9
Q
Trapezoid
* area
* perimeter
A
- area: 1/2h (b1 + b2)
- perimeter: a + b1 + c + b2
10
Q
Pythagorean Theorem
A
a^2 + b^2 = c^2
11
Q
parallelogram
* area
* perimeter
A
- A: BxH
- P: 2 (a +b)
12
Q
Trapzezoidal prism
* volume
A
- BxH
13
Q
right triangular prism
* SA
A
sum of:
* area of triangles x2
* area of 3 diff rectangles (lxw)
