Question

please do it ............​

Answer 1

Answer:

Hope above attachment will help you

Answer 2

Answer:

Given:- Height (h) = 28 cm, C.S.A = 880cm²

To Find:- Radius(r)

Solution:- C.S.A. = 2πrh

.

$880 = 2 \times \frac{22}{7} \times r \times 28 \\ \\ = > 880 = 2 \times 22r \times 4 \\ = > 880 = 176r \\ = > \frac{880}{176} = r \\ \\ = > r = 5 \: cm$