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moonk7733
13.12.2019 •
Mathematics
If a paint can holds 2.5 litres, whats the radius of the can if it has a height of 20 cm?
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Ответ:
V=hπr^2
r^2=V/(hπ)
r=√(V/(hπ)), and V=2500 and h=20cm so
r=√(2500/(20π))
r=√(125/π) cm
r≈6.3cm (to nearest tenth of a cm)
Ответ: