Answer:
these may help you
Step-by-step explanation:
www. math way .com
www. web math .com
quick math .com
Note not advertising just thought they might could help you
Answer:
A = 78.54cm²
Step-by-step explanation:
A = π r²
D = 2r
A = π × d² = × π × 10² = 78.53982cm² = 78.54cm²
I hope this helps. : )
The second one is the answer
Answer:x
Step-by-step explanation: