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Published byAlberta Sharp Modified over 6 years ago

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5-5 Similar Figures Matching sides are called corresponding sides A B C D E F 1.) Which side is corresponding to ? 2.) Which side is corresponding to ? 3.) Which side is corresponding to ?

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Sometimes the figures are turned around. Find the corresponding sides of the figures. F U N T R I 3.) Which side is corresponding to ? 2.) Which side is corresponding to ? 1.) Which side is corresponding to ?

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Similar Figures: 1.) Corresponding sides must form equivalent ratios 2.) Corresponding angles must be congruent (equal) Are these shapes similar? Why or why not? 10 m 5 m 6 m 3 m

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24 in 21 in 36 in F E x 7 in 12 in D First identify the corresponding sides: corresponds to _____________ S R Q

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a.) Write a proportion using the corresponding sides. b.) Use cross products to solve the proportion. 24 in 21 in 36 in F E x 7 in 12 in D R Q S 1.) Find the length of SR.

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ex 2: Find z. Round to the nearest tenth if neccessary 8 7 Z 5

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2 cm x 10 cm 4 cm 10 cm ex 3: Find x. Round to the nearest tenth if neccessary

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A BC D E F Ex 4:

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Ex 5: On a sunny day a 36 inch tree casts a 21 inch shadow. How tall is a man whose shadow is 42 inches?

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