Mathematics, 17.12.2020 17:00, cxttiemsp021

△ABC and △DEF are similar triangles. Triangle A B C has side lengths A B equals 12, B C not given, and C A equals x plus 7. Triangle D E F has side lengths D E equals x minus 4, E F equals x, and F D equals 5. Find BC. Hint: Solve for x first. There is another step after solving for x.

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△ABC and △DEF are similar triangles. Triangle A B C has side lengths A B equals 12, B C not given, a...