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In triangle , points and lie on and respectively with…
MATHEMATICS · Multi-part · CBSE · Mathematics · Triangles · Triangles
Problem
In triangle
A
B
C
ABC
A
B
C
, points
D
D
D
and
E
E
E
lie on
A
B
AB
A
B
and
A
C
AC
A
C
respectively with
D
E
∥
B
C
DE \parallel BC
D
E
∥
B
C
. (i) Name the two pairs of equal angles that justify the similarity of
△
A
B
C
\triangle ABC
△
A
B
C
and
△
A
D
E
\triangle ADE
△
A
D
E
. Give a brief reason for each pair. (ii) Write the similarity criterion used.
Related theory
Lines and Angles
Similarity
Properties of Triangles
Triangle similarity conditions
Criteria for similarity (AAA SSS SAS)
Triangles
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