In the isosceles right angled triangle △ABC right angled at B, the perpendicular is drawn to the hypotaneus which meet hypotaneus at D.
Choose the correct option.
A
△ABD≅△CBD
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B
D bisects side AC
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C
Both (a) and (b) correct
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D
None correct
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Solution
The correct option is C Both (a) and (b) correct
In △ABD and △CBD
BD=BD (common side in both)
∠ADB=∠CDB=90o
AB=CB (isosceles triangle)
So, △ABD≅△CBD (Hypotenuse Leg Congruency)
So, AD=CD (Corresponding sides of congruent triangles are equal)