Answer:
a)219.8
b)3846.5
Step-by-step explanation:
a) circumference is pi*diameter, so 3.14*70 is 219.8
b) area is pir^2, and radius is 1/2 of diameter, it would be 3.14*35^2, so 3.14*1225, so 3,846.5 in^2.
This equation is physically unsolvable, as 12 isn't equal to 9.
Answer:
15%
Step-by-step explanation:
60/400 × 100%
= 6.000/400
= 15%
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