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OpenStudy (mayah3):
PLEASE HELP ΔABC is similar to ΔDEF. The ratio of the perimeter of ΔABC to the perimeter of ΔDEF is 1 : 10. If the longest side of ΔDEF measures 40 units, what is the length of the longest side of ΔABC ? 2 units 4 units 16 units 30 units
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OpenStudy (bossvideogamer21):
4 units
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