Hello Guys ❤
Question :-
Given :- AB CD is a Square And FM = ME.
To Prove :-
1) BE = DF
2)AM bisects Angle BAD
Answers
#Dramaqueen⭐
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1) Since diagonal of a square
bisects the vertex and BD is the diagonal of a square ABCD
∴ ∠ CDB = ∠ CBD = 90/2 = 45°
Given : EF || BD
=> ∠ CEF = ∠ CBD = 45° and ∠ CEF = ∠ CBD = 45° [ corresponding angles ]
=> CEF = CFE
=> CE = CF [ Side opposite of equal angles are equal ]....(1)
=> Now BC = CD....[ Sides of square ]...(2)
Subtracting (1) from (2),we get
BC CD = CD EF
=> BE = DF or DF = BE [ first condition proved ]
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2) Δ ABE ≡ ADF (By SAS congruency criterion)
⇒ ∠ BAE = ∠ DAF .....(3)
AE = AF
And, Δ AEM ≡ Δ AFM (By SSS congruency criterion)
⇒ ∠ EAM = ∠ FAM ....(4)
Now adding (3) and (4), we get
⇒ BAE + EAM = DAF + FAM
⇒ BAM = DAM
i.e. AM bisects ∠ BAD
Proved.
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