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By giving a counter example, show that the following statement is not true: `p :` if all the angles of a triangle are equal, then the triangle is an obtuse angled triangle.

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(i) The given statement is of the form ‘if r then s’ where
r: All the angles of a triangle are equal.
s: The triangle is an obtuse-angled triangle.
To prove the given statement p to be false, it has to be proved that "if r then not s".
...
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