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If the sides of a triangle are a, b and `sqrt(a^(2) + ab + b^(2))`, then find the greatest angle

A

`60^(@)`

B

`90^(@)`

C

`120^(@)`

D

`135^(@)`

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The correct Answer is:
C
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OBJECTIVE RD SHARMA ENGLISH-PROPERTIES OF TRIANGLES AND CIRCLES CONNECTED WITH THEM-Chapter Test
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