Answer:
1,164 in²
Step-by-step explanation:
the area of 1 sofa cushion =
2× ( 10×11 + 10×4 + 11×4)
= 2 × (110+40+44)
= 2×(194)
= 388 in²
the fabrics she needs to cover 3 sofa cushions =
3 × 388 = 1,164 in²
The answer to the question
A=LxW, so W=A/L. Divide 85 by 10.
Natural numbers are lie 1 2 3 4 5 6 7 8 9 and so on
