Question

How much material will be required to cover one big central dome of radius 4.5m

Answer 1

Hey mate here is ur answer

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Step-by-step explanation:

$material \: required \: to \: cover \: the \: dome \\ = curved \: surface \: area \: of \: dome \\ = 2\pi \: r {}^{2} \\ = 2 \times \frac{22}{7} \times (4.5) {}^{2} \\ = 2 \times \frac{22}{7} \times 20.25 \\ = \frac{891}{7} \\ = 127.28 \: m {}^{2}$

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