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CBSE Class 9 Answered

prove an isosceles trapezium is cyclic
Asked by | 07 Jun, 2008, 07:25: PM
Expert Answer

Consider a trap ABCD suc that AB//CD  and AD = BC.

Therefore A  = B..

But A+D=180°(Co- interior angles are supplementary)

So B + D = 180°

Similarly we can show that Anges A and C are supplementay.

 so the given trapezium is cyclic

 

Answered by | 25 Sep, 2008, 12:20: PM
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