Question

14. The total surface area of a hemisphere is 763.72 cm. Find its diameter.​

Answer 1

Answer:

The answer is 17.68.

Step-by-step explanation:

Total surface area of hemisphere is 3pi r^2.

763.73=3×3.14×r^2

By solving u can get r = 8.8435

Then r=d/2

D=2r

2×8.8435=17.68

Hope this helps you