Respuesta :

3. 8 x 10 = 80

4x4 = 16

80-1 =  64 square feet


4. 8x5 = 40

2x3 =6

40+6 = 46 square feet


5. 9x6 = 54 square feet

3.8 x 10 80
4x4 16
80-1 64
4.8X5
40 2x3 6
40+6 46
5.9x6 54
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