Question

3. In ∆ABC and ∆DEF, AB = DE, BC = EF and
∆B = ∆E. If the perimeter of ∆ABC is 20,
then the perimeter of ∆DEF is .........​

Answer 1

The perimeter of triangle DEF is 20 because both the triangles ABC and DEF are congeuent.so, the perimeter also will be same.please mark as brainliest answer.