Need help!! please/Thank you

Answer:
[tex]50~in[/tex]
Step-by-step explanation:
[tex]perimter=AB+AM+BM[/tex]
[tex]AM=2EM=2(9in)=18in[/tex]
[tex]BM=25E=2(7in)=14in[/tex]
∠m= [tex]180-[/tex] (∠A+∠B)= 180-(70+40)
∠m= 70⇒ AB= AM⇒AB=18
[tex]perimeter=18+14+18=[/tex]
[tex]50~in[/tex]
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hope it helps...
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