Question

in triangle abc angle c=90 m and n are the mid points of the side ab and ac respectively . cm and bn intersect each other at d and angle bdc is equal to 90 degree. if bc is equal to 8cm then the length of bn is?​

Answer 1

Answer:

2

Step-by-step explanation:

The length of BN is 2

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Answer 2

Answer:

Because M and N are midpoints, D is the centroid, with BN : BD = 3:2. Note that the triangles BCN and BCD are similar. Then,

BC/BN=BD/BC

Substitute BD=2/3BN to get

2/3BN^2=BC^2

Thus,

in further equation put BC = 8 then,

BN= 4√6