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Problems
In quadrilateral
MATHEMATICS · Single correct · CBSE · Mathematics · Triangles · Triangles
Problem
In quadrilateral
A
B
C
D
ABCD
A
B
C
D
,
A
B
=
C
D
AB = CD
A
B
=
C
D
and
B
C
=
D
A
BC = DA
B
C
=
D
A
. Which of the following statements is always true? (a)
A
C
=
B
D
AC = BD
A
C
=
B
D
(b)
A
B
=
B
C
AB = BC
A
B
=
B
C
(c)
△
A
B
C
≅
△
C
D
A
\triangle ABC \cong \triangle CDA
△
A
B
C
≅
△
C
D
A
(d)
∠
A
B
C
=
∠
B
A
D
\angle ABC = \angle BAD
∠
A
B
C
=
∠
B
A
D
Related theory
Triangle Congruence
Triangle Congruence Criteria
Similarity
Triangles
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