Q. 73.9( 8 Votes )

In the given figu

Answer :

Given that, CAB = 90°

AC = 75 cm


AB = 1 m


BC = 1.25 m


To show that, ∆BDA ∆BAC


In the diagram, we can see


BDA = BAC = 90°


DBA = CBA [They are common angles]


So by AA-similarity theorem,


∆BDA ∆BAC


Thus, now since ∆BDA ∆BAC, we can write as



[ AC = 75 cm, AB = 1 m = 100 cm & BC = 1.25 m = 125 cm]



AD = 60 cm


Hence, AD = 60 cm or 0.6 m


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