Answer:
1. Area = 60 ft²
Solution:
A = LW – LW
A = (12ft × 7ft) – (8 ft × 3 ft)
A = 84 ft² – 24 ft²
A = 60 ft²
2. Area = 120.86 in²
Solution
A = 3.14(r²) – LW
A = 3.14(7 in)² – (11 in × 3 in)
A = 3.14(49 in²) – 33 in²
A = 153.86 in² – 33 in²
A = 120.86 in²
3. Area = 13 m²
A = 1/2bh – LW
A = 1/2(6m×7m) –(4m × 2m)
A = 1/2(42 m²) – 8 m²
A = 21m² – 8m²
A = 13 m²
4. Area = 144 m²
A = s² – s²
A = (15m)² – (9m)²
A = 225m² – 81 m²
A = 144 m²
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Answer:
1. Area = 60 ft²
Solution:
A = LW – LW
A = (12ft × 7ft) – (8 ft × 3 ft)
A = 84 ft² – 24 ft²
A = 60 ft²
2. Area = 120.86 in²
Solution
A = 3.14(r²) – LW
A = 3.14(7 in)² – (11 in × 3 in)
A = 3.14(49 in²) – 33 in²
A = 153.86 in² – 33 in²
A = 120.86 in²
3. Area = 13 m²
Solution
A = 1/2bh – LW
A = 1/2(6m×7m) –(4m × 2m)
A = 1/2(42 m²) – 8 m²
A = 21m² – 8m²
A = 13 m²
4. Area = 144 m²
Solution
A = s² – s²
A = (15m)² – (9m)²
A = 225m² – 81 m²
A = 144 m²