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Maths CBSE Live product
Class 10 (2026-27)
Triangles
Criteria of similarity of triangles
5.
TBQ - Answer the following
Question:
4
m.
In the given figure, if \(AB||CD\). Show that \(\Delta AOB \sim \Delta DOC\).
\(\angle A = \angle\)
C
D
B
(
Alternative interior angles
Common angle
Vertically opposite angles
)
\(\angle B = \angle\)
C
A
D
(
Alternative interior angles
Common angle
Vertically opposite angles
)
\(\angle AOB = \angle\)
DOA
DOC
AOB
(
Vertically opposite angles
Alternate interior angles
Common angle
)
Therefore, by
ASA
SAS
AAA
\(\Delta AOB \sim \Delta DOC\).
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