Question

Triangles ABC and DEF are similar. Find the perimeter of triangle DEF. Round your answer to the nearest tenth.
A diagram would be nice.

assuming DE ~ AB
let the sides of DEF be d,e,f.
let the sides of ABC be a,b,c.

a/b = d/e
a/c = d/f
etc.
When we are given lengths, plug them in

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