Question

Write the formula to calculate area of the circle​

Answer 1

Step-by-step explanation:

hope it helps thank you

Answer 2

Answer:

area of sphere:-

1) volume- 4/3 πr^ 3

2) Surface area- 4 πr^2

area of hemisphere:-

1) volume- 2/3 πr^3

2) total surface area- 3πr^2

3) curved surface area- 2πr^2