- a. 21.6 ft
b. 29.16 ft²
- a. 42 mm
b. 108 mm²
- a. 201.4 yd
b. 1913.6 yd²
- a. 32.8 ft
b. 34.8 ft²
- a. approx. 20 in
b. approx. 31.83 in²
- a. 10√ π in
≈ 17.7 in
b. 25 in²
- 14.0625π cm² ≈ 44.2 cm²
- a. (47 + 6π) ft ≈ 65.8 ft
b. (210 + 18π) ft² ≈ 266.5 ft²
- a. 20 cm
b. 48 cm
c. 96 cm²
- a. 120 mm
b. 360 mm
c. 5400 mm²
- a. √ 3 in ≈ 1.7 in
b. (3 + √ 3 ) in ≈ 4.7 in
c. √ 3 /2 in²
≈ 0.866 in²
- a. √ 3 in ≈ 1.7 in
b. √ 3 in² ≈ 1.7 in²
use A = ½ × base × height (for one calculation)
and Heron's formula (for the other)
c. √ 3 in² ≈ 1.7 in²
- 12 in²
- 198 ft²
- (40 + 2 √ 146 ) ft ≈ 64 ft (note: p ≈ 4' + 22' + 14' + 24')
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