Answer:
14. It is 116.80
because the formula is π x r² so 6.1² x 3.14= 116.8394
15. It is 50.20
because the formula is r²*3.14 and the radius if half of the diameter and the diameter is 8 and half of it would be 4 and 4²=16 so 16*3.14= 50.24
16. probably 78.5
5²*3.14
Step-by-step explanation:
if its right can i have the brainliest
