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Standard X
Mathematics
Question
A
B
D
F
is a square and
B
C
=
E
F
in the given figure. Prove that
i)
Δ
A
B
C
≅
Δ
A
F
E
ii)
Δ
A
C
G
≅
Δ
A
E
G
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Solution
Verified by Toppr
Given,
B
C
=
E
F
Since ABCD is a square, sides are equal
A
F
=
A
B
∠
B
=
∠
F
Therefore from SAS theorem
A
B
C
≅
A
F
E
⟹
A
C
=
A
E
Hence the triangle is isoceles.
A
E
G
≅
A
C
G
Therefore from ASA theorem
A
C
G
≅
A
E
G
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