Proving Similarity In the figure CDEF is a rectangle. Prove that /_ ABC ~ /_EBF.Given:The given figure is,12210202681.jpg

Tahmid Knox 2020-11-01 Answered

Proving Similarity In the figure CDEF is a rectangle. Prove that ABCEBF.
Given:
The given figure is,
image

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Expert Answer

Pohanginah
Answered 2020-11-02 Author has 96 answers
Approach:
Two triangles are similar if their vertices can be matched up so that corresponding angles are congruent. In this case corresponding sides are proportional.
If the two angles of the triangles are same then the third angle of the triangles have to be same, because the sum of angles in a triangle is 180. Therefore, the triangles are similar by AA rule if two angles are same.
Proof:
It is given that CDEF is a rectangle.
So, C=EFB.
B is common in ABCandEBF.
Therefore, the two triangles are similar by AA rule.
Thus, ABCEBF.
Similarly, C=ADE.
A is common in ABCandAED.
Therefore, the two triangles are similar by AA rule.
Thus, ABCAED.
Since, ABCEBFandABCAED,Thus,EBFAED.
Therefore, ABCAEDEBF.
Conclusion:
Hence, it is proved that ABCAEDEBF.
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