Answer:
12.57cm
Step-by-step explanation:
Formula : Pi×r²
pi×2²=4pi=12.56637061
rounded : 12.57cm
I believe the first question is 4 feet / 1 second and the second answer is 16 oz / 1 lb
It is three cuz when replace with three it is all equal:
3(2)-3=3
6-3=3
3=3
please rate as brainliest and hope this helps :)
