'Irregular figure' presentation slideshows

Finding Area and Perimeter of Polygons

Finding Area and Perimeter of Polygons. Area. Definition : The number of square units needed to cover a surface. (INSIDE) Length x width. Perimeter. Definition: The sum of the length of all the sides of a polygon. Base. Definition: A side or face of a figure on which the figure stands.

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Irregular shapes

Irregular shapes. Perimeter and area. Objective. 0506.4.2 Decompose irregular shapes to find perimeter and area. Remember!!!. Perimeter all sides added together. Review of perimeter. http://www.jogtheweb.com/run/deYhohv5NJMJ/Area-and-Perimeter#1. Find the perimeter. 12 cm. P = 64 cm.

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5-Minute Check on Lesson 11-3

Transparency 11-4. 5-Minute Check on Lesson 11-3. Find the area of each regular polygon. Round to the nearest tenth if necessary. A hexagon with side length 8 cm. A square with an apothem length of 14 in. A triangle with a side length of 18.6 m.

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5-Minute Check on Lesson 11-3

Transparency 11-4. 5-Minute Check on Lesson 11-3. Find the area of each regular polygon. Round to the nearest tenth if necessary. A hexagon with side length 8 cm. A square with an apothem length of 14 in. A triangle with a side length of 18.6 m.

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5-Minute Check on Lesson 11-3

Transparency 11-4. 5-Minute Check on Lesson 11-3. Find the area of each regular polygon. Round to the nearest tenth if necessary. A hexagon with side length 8 cm. A square with an apothem length of 14 in. A triangle with a side length of 18.6 m.

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Four families traveled from different places to vacation together at a lake. The Deweys drove 210 miles.

Four families traveled from different places to vacation together at a lake. The Deweys drove 210 miles. The Webers drove 50 miles less than the Deweys drove. The Golds drove 100 miles more than the Webers drove. The Stones drove 110 miles more than the Webers drove.

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Warm Up 1. What is the perimeter of a square with side lengths of 15 in.?

Warm Up 1. What is the perimeter of a square with side lengths of 15 in.? 2. What is the perimeter of a rectangle with length 16 cm and width 11 cm?. 60 in. 54 cm. Learn to estimate the area of irregular figures and to find the area of rectangles and parallelograms . Vocabulary. area.

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9-6

9-6. Area of Irregular Figures. Course 2. Math Minute. Vocabulary. Lesson Presentation. 9-6. Area of Irregular Figures. Course 2. Math Minute Find the area of the following figures. 1. A triangle with a base of 12.4 m and a height of 5 m

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Area of Rectangles and Parallelograms

Area of Rectangles and Parallelograms. #33. VOCABULARY. The area of a figure is the amount of surface it covers. We measure area in square units. Example 1: Estimating the Area of an Irregular Figure Estimate the area of the figure. Example 2: Finding the Area of a Rectangle

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Areas of Irregular Figures

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Perimeter

Perimeter. 1.5. Perimeter. The outside measurement of a figure Think of a fence. To find perimeter. Add up all the side lengths. Triangle. P= a+b+c. Rectangle. P=2 (length) +2 (width). Square. P= 4 side length. Irregular figure. Try to divide it up to figures you know Rectangle

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Areas of Other Figures

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

48 views • 4 slides