Consider the polar curve r = 4sin(2θ). What is the length of each petal, and how many petals does the graph have? a The length of each petal is 2, and the number of petals is 2. b The length of each petal is 2, and the number of petals is 4. c The length of each petal is 4, and the number of petals is 2. d The length of each petal is 4, and the number of petals is 4.