Irene is covering a flowerbed with mulch to protect the flowers. The flowerbed is made of a semi-circle, a rectangle and a right-angle triangle as shown below. 3 m A 2 m 4 m a) Calculate the total area of the flowerbed. Show your work. b) If a bag of mulch covers 5 m, determine how many bags should be purchased in order to cover the flowerbed. Show your work. 1. Irene is covering a flowerbed with mulch to protect the flowers. The flowerbed is made of a semi-circle, a rectangle and a right-angle triangle as shown below. 3 m V A 2 m 4 m ?