Question

How much cloth material is required to cover the big dome if the radius is

7 metres?​

Answer 1

Answer:

154 metres

Step-by-step explanation:

$given - \: 7 \: metres \\ using \: \pi \: {r}^{2} we \: have \\ \frac{22}{7} \times 7 \times 7 = 154metres$