# Solve this : 17.  In the given figure, M is mid-point of AB and DE, whereas N is mid-point of BC and DF.       Show that :  EF = AC. Hiii... here's your answer: In triangle ABC M is mid point of AB N is mid point of BC Therefore, MN is parallel to AC (by mid point theorem) And hence MN = 1/2 AC -------1 In triangle DEF M is mid point of ED N is mid point of DF Therefore, MNA is parallel to EF (by mid point theorem) MN = 1/2 EF--------2 From equation 1 and 2 MN = 1/2 AC = 1/2 AC EF Therefore, EF =AC 😊😊😊😊😊😊
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Give answer • 1
hii there is your ans The largest difference between the two types of writing is that the essay usually involves more preparation work. Traditional essays involve fiveparagraphs, in which the first serves as an introduction and includes a thesis statement- a critical idea that defines the purpose of the paper.

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Its vry simple....in triangle efd mn =1/2 ef and in triangle abc mn =1/2 ac...so from both we get ef =ac??????
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