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8.6 Perimeters and Areas of Similar Figures (1 card)

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Perimeters and Areas of Similar Figures If the similarity ration is, then: The ratio of the perimeters is The ratio of the areas is

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Ex 1: The trapezoids are Similar Find the similarity ratio (of the top shape to the bottom shape) Find the perimeter ratio (of the top shape to the bottom shape) Find the area ratio (of the top shape to the bottom shape)

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Ex 1: The trapezoids are Similar Find the similarity ratio Find the perimeter ratio Find the area ratio

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Ex 1: The trapezoids are Similar Find the similarity ratio Find the perimeter ratio Find the area ratio

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Ex 1: The trapezoids are Similar Find the similarity ratio Find the perimeter ratio Find the area ratio

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Ex 2: Two similar polygons have corresponding sides in the ratio of 5:7 What is the ratio of the perimeters? What is the ratio of the areas?

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Ex 2: Two similar polygons have corresponding sides in the ratio of 5:7 What is the ratio of the perimeters? 5:7 What is the ratio of the areas?

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Ex 2: Two similar polygons have corresponding sides in the ratio of 5:7 What is the ratio of the perimeters? 5:7 What is the ratio of the areas? 25:49

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Ex 3: The two regular pentagons are similar The area of the smaller pentagon is 42.3 square cm. What is the area of the larger pentagon

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Ex 3: The two regular pentagons are similar The area of the smaller pentagon is 42.3 cm. What is the area of the larger pentagon

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Ex 3: The two regular pentagons are similar The area of the smaller pentagon is 42.3 cm. What is the area of the larger pentagon

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Ex 3: The two regular pentagons are similar The area of the smaller pentagon is 42.3 cm. What is the area of the larger pentagon

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Ex 3: The two regular pentagons are similar The area of the smaller pentagon is 42.3 cm. What is the area of the larger pentagon

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Ex 4: The area of two triangles are 75 square meters and 12 square meters. What is the similarity ratio What is the perimeter ratio

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Ex 4: The area of two triangles are 75 square meters and 12 square meters. What is the similarity ratio 75/12 = 25/4 (square root)= 5/2 What is the perimeter ratio

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Ex 4: The area of two triangles are 75 square meters and 12 square meters. What is the similarity ratio 75/12 = 25/4 (square root) 5/2 What is the perimeter ratio 5/2

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Section 11-3 Perimeters and Areas of Similar Figures.

Section 11-3 Perimeters and Areas of Similar Figures.

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