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Arkaprabha Das

· started a discussion

· 1 Months ago

what formula are they using in the first step?? (Question: 249148.0 )

..

Question:
In a right angled ∆ABC, ∠ABC = 90°, BN is perpendicular to AC, AB = 6 cm and AC = 10 cm. Then the square root of AN : NC is —
Options:
A) 3 : 4
B) 9 : 16
C) 16 : 100
D) 2 : 5
Solution:

Ans: (a) 


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