11 3 perimeters and area of similar figures
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11.3 Perimeters and Area of Similar Figures. Similar Polygons. Remembering Similar Polygons. Similar polygons have all the Angles congruent and the Sides have the same ratios. (like these three houses). Remember this Theorem.

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11.3 Perimeters and Area of Similar Figures

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11 3 perimeters and area of similar figures

11.3 Perimeters and Area of Similar Figures

Similar Polygons


Remembering similar polygons

Remembering Similar Polygons

Similar polygons have all the Angles congruent and the Sides have the same ratios. (like these three houses)


Remember this theorem

Remember this Theorem

If two polygons are similar (equal angles and corresponding sides in ratios), then the perimeters ratio is the same as the scale factor.

Perimeters are 24:16

same ratio as 3:2 for the sides


Theorem

Theorem

If two polygons are similar (equal angles and corresponding sides in ratios), then the Area ratio is the same as the scale factor squared. (in the regular hexagons)


Find the area and perimeter

Find the Area and Perimeter

The given figures are similar

How would you find the area?


Find the area and perimeter1

Find the Area and Perimeter

The given figures are similar


Find the area and perimeter2

Find the Area and Perimeter

The given figures are similar


Find the area and perimeter3

Find the Area and Perimeter

The given figures are similar


Homework page 679 680 8 24 39 41

Homework Page 679-680# 8 – 24, 39 - 41


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