31. In Fig. 3. check whether the given pairs of triangles are congruent. If yes, mentio
n the
criteria for congruence and write the congruence statement.
(3 marks)
Р.
M
R
Fig. 3
Answers
Given :- In Fig. 3. check whether the given pairs of triangles are congruent. If yes, mention the criteria for congruence and write the congruence statement.
Solution :-
from image , we have :-
in ∆KLM and ∆RQP
→ ∠KLM = ∠RQP (given).
→ ∠LKM = ∠QRP (given).
Therefore,
→ ∆KLM ~ ∆RQP (By AA similarity).
we can conclude that, third angle is also equal. (By angle sum property.)
Now, we also have,
→ KM = RP .
As we know ,
- If two pairs of angles of two triangles are equal in measurement, and a pair of corresponding non included sides are equal in length, then the triangles are congruent. ( Similar to ASA. )
Hence,
→ ∆KLM ≅ ∆RQP .
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Answer:
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