A new park was designed to contain two circular gardens. Garden A has a diameter of 50 m, and garden B has a diameter of 70 m. a. If the gardener wants to outline the gardens in edging, how many meters will be needed to outline the smaller garden?

b. How much more edging will be needed for the larger garden than the smaller one?

c. The gardener wishes to put down weed block fabric on the two gardens before the plants are planted in the ground. How much fabric will be needed to cover the area of both gardens?