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Leona [35]
3 years ago
8

Gotta have this finished in an hour and idk how to do this help

Mathematics
1 answer:
Sedaia [141]3 years ago
6 0
Area_{circle}=\pi r^{2}
Area_{circle} = \pi (pool+walkway)^{2}
Area_{circle} = \pi (\frac{30}{2}+4)^{2}
Area_{circle} = \pi (19)^{2}
Area_{circle} = \pi (19)^{2}=361 \pi \approx 1134.11

Area_{rectangle}=lw
Area_{rectangle}=(l_{pool}+2(walkway))\times(w_{pool}+2(walkway))
Area_{rectangle}=(16+2(3))\times(40+2(3))
Area_{rectangle}=22\times46
Area_{rectangle}=1012

Area_{yard}=lw=75\times50=3750

With round:
Area_{GrassAvailable}=A_{yard}-A_{circle}
Area_{GrassAvailable}=3750-1134.11=2615.89

With rectangle:
Area_{GrassAvailable}=A_{yard}-A_{rectangle}
Area_{GrassAvailable}=3750-1012=2738
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