'Sin 36' diaporamas de présentation

11.2 Areas of Regular Polygons

11.2 Areas of Regular Polygons. Geometry Mrs. Spitz Spring 2005. Objectives/Assignment. Find the area of an equilateral triangle. Find the area of a regular polygon, such as the area of a dodecagon. Assignment: pp. 672-673 #1-32 all. Finding the area of an equilateral triangle.

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11.2 Areas of Regular Polygons

11.2 Areas of Regular Polygons. Geometry Mrs. Spitz Spring 2006. Objectives/Assignment. Find the area of an equilateral triangle. Find the area of a regular polygon, such as the area of a dodecagon. In-class: 11.2 Worksheet A Assignment: pp. 672-673 #1-32 all.

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11.2 Areas of Regular Polygons

11.2 Areas of Regular Polygons. Geometry Mrs. Spitz Spring 2006. Objectives/Assignment. Find the area of an equilateral triangle. Find the area of a regular polygon, such as the area of a dodecagon. In-class: 11.2 Worksheet A Assignment: pp. 672-673 #1-32 all.

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Areas of Regular Polygons

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EXAMPLE 2

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EXAMPLE 2

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EXAMPLE 2

You are decorating the top of a table by covering it with small ceramic tiles. The table top is a regular octagon with 15 inch sides and a radius of about 19.6 inches . What is the area you are covering?. Find the area of a regular polygon. EXAMPLE 2. DECORATING. SOLUTION. STEP 1.

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Perimeters and Areas of Similar Figures

4 9. 16 81. perimeters: ; areas:. Perimeters and Areas of Similar Figures. Lesson 10-4. Lesson Quiz. 1. For the similar rectangles, give the ratios (smaller to larger) of the perimeters and of the areas.

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EXAMPLE 2

You are decorating the top of a table by covering it with small ceramic tiles. The table top is a regular octagon with 15 inch sides and a radius of about 19.6 inches . What is the area you are covering?. Find the area of a regular polygon. EXAMPLE 2. DECORATING. SOLUTION. STEP 1.

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EXAMPLE 2

You are decorating the top of a table by covering it with small ceramic tiles. The table top is a regular octagon with 15 inch sides and a radius of about 19.6 inches . What is the area you are covering?. Find the area of a regular polygon. EXAMPLE 2. DECORATING. SOLUTION. STEP 1.

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EXAMPLE 2

You are decorating the top of a table by covering it with small ceramic tiles. The table top is a regular octagon with 15 inch sides and a radius of about 19.6 inches . What is the area you are covering?. Find the area of a regular polygon. EXAMPLE 2. DECORATING. SOLUTION. STEP 1.

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Find the area of a regular polygon with 10 sides and side length 12 cm.

Find the perimeter p and apothem a , and then find the area using the formula A = ap. 1 2. 360 10. Because the polygon has 10 sides, m ACB = = 36.

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More Trigonometry!!!

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