Question

In ABC, if angle B = 90 degrees and bd is perpendicular to ac, if AB = 3 cm, BC = 4 cm, then find BD​

Answer 1

answer BD=6.2cm

this is the solution of the answer

Answer 2



Secondary School 

 

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In triangle abc b = 90 and bd perpendicular to ac.if dc= 7, ad =3 find the length of bd

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 bySKhan2237 04.07.2018

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jnvniladri 

 

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Hope this help u.....



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vaduz 

 

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Answer:√21 cm.

Step-by-step explanation:

as perpendicular drawn from vertex B. and ∠B=90°. triangle ABC is right angle triangle.

so we know that

BD²= CD*DA

⇒BD²= 7*3

⇒BD= √21

so length of BD is √21 cm.