Question
Can a triangle have: All angles equal to $60^\circ ?$ Justify your answer in case.
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Answer
Yes, A triangle can have three angles equal to $60^{\circ}$. Then the sum of three angles equal to the $180^{\circ}$. Such triangles are called as equilateral triangle. [Since, the sum of all the internal angles of a triangle is $180^{\circ}$ ].
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