Name


Figure	Formula	Nomenclature
[math]\text {Triangle}\,[/math]	[math]\text {Perimeter:}\,[/math] [math]P=a+b+c\,[/math] [math]\text {Area:}\,[/math] [math]A=\frac {1}{2} bh[/math]	[math]a,b,c : \text {sides}\,[/math] [math]b : \text{base}\,[/math] [math]h : \text {height}\,[/math]
[math]\text {Square}\,[/math]	[math]\text {Perimeter:}\,[/math] [math]P=4a\,[/math] [math]\text {Area:}\,[/math] [math]A=a^2\,[/math]	[math]a : \text {side}\,[/math]
[math]\text {Rectangle}\,[/math]	[math]\text {Perimeter:}\,[/math] [math]P=2b+2h\,[/math] [math]\text {Area:}\,[/math] [math]A=bh\,[/math]	[math]b : \text {base}\,[/math] [math]h : \text {height}\,[/math]
[math]\text {Circle}\,[/math]	[math]\text {Perimeter:}\,[/math] [math]P=2\pi r\,[/math] [math]\text {Area:}\,[/math] [math]A=\pi r^2\,[/math]	[math]r : \text {radius}\,[/math]

Usage

To find the area of basic figures