127. If for a triangle, the radius of the
circumcircle is double the radius of the
inscribed circle incircle), then which
one of the following is correct ?
(1) The triangle is a right angled.
(2) The triangle is an isosceles.
(3) The triangle is an equilateral.
(4) None of the above.
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Answer:
3
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please explain what word
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