Question

HURRY!!!!!!
I neeeed helpif you help ill put you on my stream maybe!!!

Answer 1

Q1. is 628 cm

Q2 18.84 cm

Explanation:

Q1. 400 / 2 = 200 to get the radius

3.14 * 200 = 628

Q2. 12 / 2 = 6 to get the radius

31.4 * 6 = 18.84