Question

In DABC LB = 90° and BD I AC if DC =
FCM )
and AD = 3CM then find the length
of BD.
[CBSE 2014​

Answer 1

Answer:

Answer

Open in answr app

Given:

∠ABC=90

o

,BD⊥AC,

BD=8 and AD=4 as in diagram.

Let ∠ACB=x

⇒∠CBD=90−x

⇒∠ABD=x

⇒∠BAD=90−x

⇒ΔABC,ΔADB and ΔBDC are similar

⇒

CD

BD

=

DB

AD

⇒

CD

8

=

8

4

⇒CD=

4

8×8

=16cm.

solution

Answer 2

Answer:

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Step-by-step explanation:

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