If C = 12t, what is the area of the circle? (1 point)
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O 12t
O 24т
O 36т
The correct answer is 36t.
Since C = 2πr (where r is the radius of the circle), and in this case C = 12t, we can equate the two equations and solve for r:
12t = 2πr
r = 6t/π
The area of a circle is A = πr^2, so substituting in the value of r we found above:
A = π(6t/π)^2
A = π(36t^2/π^2)
A = 36t^2/π
Therefore, the area of the circle is 36t.
t=3.1415
If t = 3.1415, we can substitute this value into the equation for the area of the circle we found earlier:
A = 36t
A = 36(3.1415)
A ≈ 113.310
Therefore, the area of the circle when t = 3.1415 is approximately 113.310.