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Mathematics 13 Online
OpenStudy (anonymous):

Help!!! ABC is similar to DEF. The perimeter of ABC is 5 times of DEF. If the area of ABC is 100 cm^2. What is the area of DEF. Can someone show be the equation to fiqure this out? My first thought is to say 20cm^2 but I know that is wrong. But seeing that it is five times is it 4cm^2? Help please!!!

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