plz... ANSWER it fassst....
I'll mark u brainliest
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2
Answer:
Please Find the Attached File.....
Plz. Mark As BRAINLIEST.....
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KvKt2217:
thanks for the answer but I am not able to view the attachment......
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5
Answer:
By pythagoras theorem, AB²= AD² + BD² (ΔABD)
AC² = AD² + DC² (ΔADC)
Adding both equations, we get
AB² + AC² = AD² + BD² + AD² + DC²
∵ BD = DC we can get:
AB² + AC² = AD² + BD² + AD² + BD²
= 2(AD²) + 2(BD)²
=> AB² + AC² = 2(AD² + BD²) Hence proved
PLEASE MARK AS BRAINLIEST :)
Brainliest....plss
Pythagoras applies for rt. angled ∆ but the given AD is not altitude.... it is median...
its only possible to prove if its right triangle
the question is from the chapter straight lines class 11....
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