1. Find the area of the irregular figure. COURSE 2 LESSON 8-3 Step 2Find the area of each smaller figure. A = l w Use the area formula for a rectangle. Area of the blue rectangle: = (10)(9) Substitute for l and w. = 90 Multiply. 8-3 Step 1Separate the irregular figure into familiar figures. Areas of Other Figures

2. (continued) COURSE 2 LESSON 8-3 Area of the green trapezoid: A = h(b 1 + b 2 )Use the area formula for a trapezoid. = 26Multiply. 1212 = (4)(4 + 9)Substitute h, b 1, and b 2. 1212 = (4)(13)Add. 1212 8-3 Areas of Other Figures

3. (continued) COURSE 2 LESSON 8-3 Area of the purple triangle: = 36Multiply. A = bhUse the area formula for a triangle. 1212 = (8)(9)Substitute b and h. 1212 Step 3Add to find the total area. 90 + 26 + 36 = 152 The area of the irregular figure is 152 cm 2. 8-3 Areas of Other Figures

4. Find the area of each figure. 1.2. COURSE 2 LESSON 8-3 148.5 cm 2 240 mm 2 8-3 Areas of Other Figures