The triangle formed by AB=3 cm, BC=4 cm,AC=8 cm is:

A scalene triangle

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An isosceles triangle

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An equilateral triangle

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No triangle is formed

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Solution

The correct option is B No triangle is formed
A triangle can be formed only if sum of any two sides is greater then the third side.
Here $A B + B C < A C$
$∴$ a triangle can not be formed.
So option $D$ is correct.

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The triangle formed by AB=3 cm, BC=4 cm,AC=8 cm is:

The correct option is B No triangle is formedA triangle can be formed only if sum of any two sides is greater then the third side.Here AB+BC<AC∴ a triangle can not be formed.So option D is correct.

The correct option is B No triangle is formed
A triangle can be formed only if sum of any two sides is greater then the third side.
Here $A B + B C < A C$
$∴$ a triangle can not be formed.
So option $D$ is correct.