Similarity Rules of Triangles: Angle Angle Similarity Theorem
In the given ...
Question
In the given figure, △ABC is a right angled triangle and BD is perpendicular to AC. Which of the following is correct?
A
△ABC∼△ADB
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B
△ADB∼△BDC
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C
△ABC∼△BDC
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D
All of the above.
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Solution
The correct option is D All of the above. The given figure is as follows:
In △ABC and △ADB, ∠A=∠A (common angle) ∠ABC=∠ADB (both equal to 90o)
So, △ABC∼△ADB (AA property)
In △ABC and △BDC ∠C=∠C (common angle) ∠ABC=∠BDC (both equal 90o)
So, △ABC∼△BDC (AA property)