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prince

· started a discussion

· 1 Months ago

why this formula is not applicable here? (Question: 388290.0 )

CD^2= AD*BD

Question:

∆ABC is an isoceles right angle triangle with ∠C = 90º. If D is any point on AB such that CD =  25    cm and BD = 6cm. Find the value of AD –  

Options:
A)

313    cm.

B)

2 cm.

C)

4 cm.

D)

Can't be determined

Solution:

Ans: (b)

  

prince

· commented

· 1 Months ago

@anni take 6, 8 , 10 as sides of triangle and c is right angle as above , since above formula is applicable for any point on hypotenuse so if we take CD as perpendicular on AB . we get CD =4.8 and AD =3.6 and DB=6.4 . now if we apply above formula resulting values are not equal

anni

· commented

· 1 Months ago

cd height (perpendicular ) hoti to applicable hota
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