Question

in ∆ABC ,ANGLE B = 90 & BD Perpendicular to AC .IF DC= 7& AD = 3 THEN FIND BD​

Answer 1

Answer:

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. Hope it helps you