Answer:
Step-by-step explanation:
Shaded Region:
A = lw
A = 7 × 12
A = 84ft²
Unshaded Region:
A = 8 × 3
A = 24ft²
84ft² - 24ft² = 60ft²
A = 8 × 12
A = 96cm²
A = S²
A = 4²
A = 16cm²
96cm² - 16cm² = 80cm²
A = πr²
A = 3.14 × 4²
A = 3.14 × 16
A = 50.24in²
A = 3.14 × 2²
A = 3.14 × 4
A = 12.56in²
50.24in² - 12.56in² = 37.68in²
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Answers & Comments
Answer:
Step-by-step explanation:
1.)
Shaded Region:
A = lw
A = 7 × 12
A = 84ft²
Unshaded Region:
A = lw
A = 8 × 3
A = 24ft²
84ft² - 24ft² = 60ft²
2.)
Shaded Region:
A = lw
A = 8 × 12
A = 96cm²
Unshaded Region:
A = S²
A = 4²
A = 16cm²
96cm² - 16cm² = 80cm²
3.)
Shaded Region:
A = πr²
A = 3.14 × 4²
A = 3.14 × 16
A = 50.24in²
Unshaded Region:
A = πr²
A = 3.14 × 2²
A = 3.14 × 4
A = 12.56in²
50.24in² - 12.56in² = 37.68in²