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Mathematics, 10.10.2021 16:20 sharonbullock9558

16. GEOLOGY A tiankeng is a sinkhole with nearly vertical walls. The Tianpingmiao tiankeng is approximately cylindrical with
a diameter of 180 meters and a depth of 420 meters.
a. If the top of the tiankeng is open and plants can grow on
the bottom and sides, what is the surface area available
for plants? Round to the nearest square meter.
b. What is the volume of water that could fill the Tianpingmiao
tiankeng?

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