Question

I want 3 question ans please help me i wil mark u as brainlist​

Answer 1

Answer:

2) 205 $\frac{1}{3}$ cm²

Step-by-step explanation:

2) 4/3πr² sq. unit

= [(4*22)/(3*7)]*7² cm²

= 88*49/21 cm²

= 205 $\frac{1}{3}$ cm²

Answer 2

Answer:

$2.)formula \: \: for \: \: surface \: \: area \: \: of \: \: sphere \: \: is \: 4\pi {r}^{2} \\ radius \: (r) = 7cm \: \\ area = 4\pi {r}^{2} \\ = 4 \times \frac{22}{7} \times {7}^{2} \\ = \frac{88}{7} \times 7 \times 7 \\ = 88 \times 7 \\ = 616 {cm}^{2}$

I hope it will help u