If a circle is inscribed in a square, which of the following must be true?

a. the square is circumscribed about the circle.
b. each vertex of the square lies inside the circle.
c. the circle is congruent to the square.
d. each vertex of the square lies outside the circle.
e. the circle is tangent to each side of the square.

The numbers on a football field indicate 10 yard increments. you walk around the perimeter of a football field between the pylons. you walk a distance of 30623 yards. find the area and perimeter of the indicated regions. write your answers as mixed numbers, if necessary. a. one end zone: perimeter: yd area: yd2 b. the playing field (not including end zones): perimeter: yd area: yd2 c. the playing field (including end zones): perimeter: yd area: yd2