lous
1 Answer
Bob/PKB
Best answer!
Circumference is Diameter x PI or Radius(2) x PI
Area is PI-R-squared
PI = 3.14
If the diameter is 10", the circumference is 10" x 3.14 = 31.4"
Radius is 5". 5"(2) x 3.14 = 10" x 3.14 = 31.4"
Radius is 10" 3.14 x 10"(10) = 3.14 x 100" = 314 (can't imagine this is square inches".....not sure)
| 12 years ago. Rating: 1 | |
Mmmmmmm!!!!!.... Pi.....
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