Question

Which statement about the amount of paint found by

Answer 1

• Circumference=37.68cm
• 2πr=37.68
• 6.28r=37.68
• r=6cm

So

TSA of one hemisphere

• 2πr²+πr²
• 6.28(6)²+3.14(6)²
• 36(6.28)+36(3.14)
• 36(6.28+3.14)
• 36(9.42)
• 339.12cm³

For 2 hemisphere

• TSA=2(339.12)=678.24cm³