triangle ABC is similar to triangle DEFand their perimeters are 32 cm and 24 cm respectively if ABis equal to 10 cm find DE
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ABC similar DEF
AB/DE=BC/EF=AC/DF
By theorem on equal ratios
AB+BC+AC/DE+EF+DF=AB/DE.
32/24=10/DE
4/3 = 10/ DE
4DE=3*10
4DE=30
DE=30/4
DE=7.5 cm
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