Help me w this geomtey

Secant be and cf intersect at point d inside a what is the measure of cde

What is the radius of a circle with an area of 78.5 cubic inches? use 3.14 for pie

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