Area & Perimeter Formulas - chapter 4 Flashcards
1
Q
The area of a rectangle with length l and width w is ….
A
A = lw
2
Q
The perimeter of a rectangle with length l and width w is ….
A
P = 2l + 2w
3
Q
The area of a square with side s is ….
A
A = s^2
4
Q
The perimeter of a square with side s is ….
A
P = 4s
5
Q
The area of a triangle with base b and height h is ….
A
A = (1/2)bh
6
Q
The perimeter of a triangle with sides a, b, and c is ….
A
P = a + b + c
7
Q
The area of a circle with radius r is ….
A
A = pi*r^2
8
Q
The circumference of a circle with radius r is ….
A
2pir or pi*d