Question

Giúp em ạ

Answer 1

Vì `\triangle MNP=\triangle DEF`

`=>` Chu vi `\triangle MNP=` Chu vi `\triangle DEF` và `NP=EF=16(cm)`

Ta có: chu vi `\triangle MNP=MN+MP+NP=10+14+16=40(cm)`

Vậy chu vi `\triangle DEF=40 cm`

Answer 2

\(C_{DEF}=DE+EF+DF=MN+NP+MP=10+14+16=40\left(cm\right)\)