Suppose ABCD is a square and E is the midpoint of AD. Construct a circle through the points E, B, and C. Which shape has a larger perimeter: the square or the circle?
The square has a perimeter of 4L The perimeter of the circumference is 2 pi R,, R = L/2 sq root(2) Then the perimeter of the circumference is 2 pi L/2 sq root(2) = pi L sq root(2) Then, the answer is the circumference
A triangle, a square, a pentagon, a hexagon, an octagon and a circle all have an equal perimeter, which one has the smallest area?
A white square is inscribed in a blue circle, which is inscribed in a larger orange square. Which area is larger, orange or blue?