# LESSON 10-6 PROBLEM SOLVING AREA OF IRREGULAR AND COMPOSITE FIGURES

Each square represents one square yard. What is the height of a triangle with area 36 cm2 and a base 9 cm? How much wallpaper will they need? Warm Up Graph the line segment for each set of ordered pairs. Example 1 Estimate the area of the figure. The other drum has a radius of 4 in. The amount of wallpaper needed is equal to the area of the wall. Example 3 The lawn that Katie is replacing requires 79 gallons of water per square foot per year. Part I Find the area of each figure. What is the height of a triangle with area 36 cm2 and a base 9 cm? Example 2 Continued Find the area of the composite figure.

You can also estimate the area of irregular figures by using graph paper. Area of the rectangle: Area of the trapezoid: Area of the trapezoid: Substitute 9 for w.

Find the area of each smaller figure. Auth with social network: Example 2 Find the area of the composite figure. Substitute 8 for l. You can also estimate the area of irregular figures by using graph paper. Share buttons are a little bit lower.

NBIS DAILY HOMEWORK

Mathematicians of medieval Islam. Example 2 Find the area of the irregular figure. Add the areas to find the total area. Then add the areas of the rectangle and trapezoid to find the total area. Add the area to find the total area.

Example 3 Continued Look Back 4 The area of the wall must be greater than the area of the rectangle ft 2so leeson answer is reasonable. The amount of wallpaper needed is equal to the area of the wall. Example 3 Continued Find the area of the wall by separating the figure into familiar figures: Example 3 The Franklins want to wallpaper the wall of their daughters loft.

Part I Find each perimeter. Part I Find the volume of each cylinder to the nearest cubic unit. The other drum has a radius of 4 in. Estimate the volume of each cylinder to the nearest cubic inch. Area of the triangle: The first drum has a radius of 3 in.

## 9-3 Composite Figures Warm Up Lesson Presentation Lesson Quiz

Substitute 9 for h. What is the height of a triangle with area 36 cm2 and a base 9 cm? First drum about in2 b.

KWIAT LOTOSU THESIS

Substitute 9 for w. You can also estimate the area of an irregular figure by using graph paper.