Name


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