2. A = lw A = ½bh A = lw A = lw A = ½bh
A=9x3 A=½x9x2 A = 12 x 4 A=4x4 A=½x8x4
2
A = 27 in A = 9 in2 A = 48 cm 2
A = 16 cm2 A = 16 cm2
A = 27 in2 + 9 in2 A = 48 cm 2 + 16 cm2+ 16cm 2
A = 36 in2 A = 80 cm 2
A = bh A = bh A = ½bh A = ½bh
A = 4.5 x 2 A = 4.5 x 3 A = ½x 2 x 4 A=½x4x4
2
A = 9 in A = 13.5 in2 A = 4 yd 2
A = 8 yd2
A = 9 in2 + 13.5 in2 A = 4 yd2 + 8 yd2
A = 22.5 in2 A = 12 yd2

3. A = ½bh A = lw A = ½bh A = lw A = lw A = lw
A = ½ x1x2.5 A = 2.5 x 2.5 A = ½ x1x2.5 A=6x6 A=6x6 A=6x6
A = 1.25 mi A = 6.25 mi A = 1.25 mi A = 36 m A = 36 m2 A = 36 m2
2 2 2 2
A = 1.25mi2 + 6.2 in2 + 1.25 mi2 A = 36 m 2 + 36 m2+ 36m 2
A = 8.75 in2 A = 108 cm 2
8ft
7 ft
4ft
7ft
A = lw A = lw A = ½bh
A=8x8 A=7x4 A=½x7x6
2
A = 64 ft A = 28ft2 A = 21ft2
A = 64 in2 + 28 in2+ 21 in2
A = 113 in2

4. A = ½bh
A = ½ x 2.5 x 5
A = 0.5 x 2.5 x 5
A = 6.25
6.25
x4
25 ft2
5ft
2.5ft