Instructions

The question is followed by data in the form of two statements labelled as I and II. You must decide whether the data given in the Statements are sufficient to answer the questions.

Question 18

Is the triangle $$\triangle ABC$$ equilateral? (a, b, c are lengths of the sides of the triangle).
I. $$a^2 + b^2 + c^2 > 0$$
II. $$a^2 + b^2 + c^2 = (ab + bc + ca)$$

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TS ICET 2018 Shift 1

Is the triangle $$\triangle ABC$$ equilateral? (a, b, c are lengths of the sides of the triangle).I. $$a^2 + b^2 + c^2 > 0$$II. $$a^2 + b^2 + c^2 = (ab + bc + ca)$$

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Is the triangle $$\triangle ABC$$ equilateral? (a, b, c are lengths of the sides of the triangle).
I. $$a^2 + b^2 + c^2 > 0$$
II. $$a^2 + b^2 + c^2 = (ab + bc + ca)$$