No.
if area of square is Z area of largest circle just fit inside
Assuming that the 14 inch box is square, you could fit a circle inside with a 14 inch diameter.
A square and rectangle can fit in a circle with all corners touching the circle.
yes
Area of a circle = pi*radius2 in square units
A circle with circumference 30 in has area = 302 ÷ (4π) ≈ 71.6 in2 < 100 in2 so a square of area 100 in2 cannot fit inside it.
21.21 feet
Yes because the diameter of the circle is less than the sides of the square.
no because the radius is half the diameter so it must be multiplied by two in order to find the diameter of that circle which is 4 times 4 equals to 8 so the circle which has a diameter of 5 inches is much to small for a circle with a radius of 4 inches to fit.
I think a pentagram has to fit inside a perfect circle, but if that means that it has to have even sides I'm not sure.
how may cells fit in one circle