sana4m8eOneDoe sana4m8eOneDoe

24-11-2016
Mathematics

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Triangle ABC is similar to triangle DEF and has a ratio of similarity of 10:3. If side EF measures 30 mm, how long is side BC?

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syed514 syed514

25-11-2016

we can replace EF by 30 and get BC/30=10/3 and therefore BC=30×10 /3=10×10=100

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