Question

Question is in the image! If you can work this out you are legendary! I'll give brainliest instantly :p

Answer 1

Hope this helps!!
Answer: 14.13

Answer 2

Answer:

14.1371669412

Step-by-step explanation:

$\pi \times {radius}^{2} \div 2\p$

$\pi \times {3}^{2} \div 2$

$\pi \times 9 \div 2$

$28.2743338823 \div 2$

That is how you get 14.1371669412cm