'Finding unknown lengths' presentation slideshows

Warm Up Find the cross products, and then tell whether the ratios form a proportion.

138 = 144; no. Warm Up Find the cross products, and then tell whether the ratios form a proportion. 16 6. 40 15. ,. 1. 240 = 240; yes. 3 8. 18 46. ,. 2. 8 9. 24 27. ,. 3. 216 = 216; yes. 28 12. 42 18. ,. 4. 504 = 504; yes. M. P. 100 m. ?. ?. ?. ?. ?. ?.

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Finding Unknown Lengths in Similar Figures

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