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in isosceles triangle ABC, if AC=BC and AB2=2AC2 then the measure angC ???

Posted by Swapna Salini Rout Xc 43 5 years, 3 months ago

CBSE > Class 10 > Mathematics

3 answers

Ashhad Khanji 5 years, 3 months ago

C= 90°

0Thank You

Nilu Kumari 5 years, 3 months ago

Much bmdbmn

0Thank You

Yogita Ingle 5 years, 3 months ago

Triangle ABC is Isosceles

and it is given

AC = BC

AB² = 2 AC²

= AC² + AC²

AC = BC so we can write,

AB² = BC² + AC²

This is similar to Pythagoras Theorem

AB = hypotenuse

BC = Perpendicular or Base

AC = Base or Perpendicular

Therefore

C = 90°

2Thank You

ANSWER

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CBSE > Class 10 > Mathematics