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If, in triangleABC, (s-a)(s-b)=s(s-c), t...

If, in `triangleABC, (s-a)(s-b)=s(s-c)`, then: `angleC`=

A

`90^(@)`

B

`45^(@)`

C

`30^(@)`

D

`60^(@)`

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The correct Answer is:
A
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