Square
Triangle
Rectangle
Trapezoid
A=1/2bh
A=bh
(2)(6)(8)
1/2(4)(8)
1/2(6)(8)
48 in
12 in
24 in
A=lw
A=2Bh
(20)(11)
1/2(20)(11)
2/20
11 mm
11 cm
110 mm
22 mm
