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For a Delta with sides a, b and c, which...

For a `Delta` with sides a, b and c, which one of the following statement is correct?
(i) If `a^(2) + b^(2) lt c^(2)`, then `angleA` is obtuse angle
(ii) If `a^(2) + b^(2) lt c^(2)`, then `angleB` is acute angle.
(iii) If `a^(2) + b^(2) gt c^(2)`, then `Delta ABC` must be an acute angled.

A

Only (i) and (ii)

B

Only (ii) and (iii)

C

Only (iii)

D

None of these

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The correct Answer is:
D
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