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The perimeter of the triangle with the sides of 4 cm, 7 cm, and 8 cm is:

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19 cm

21 cm

23 cm

17 cm

answer is B.

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Detailed Solution

We know that the perimeter of a triangle is the sum of all sides.

The sides of the given triangle are 4 cm, 7 cm, and 8 cm

Perimeter of the triangle = (4 + 7 + 8) cm

= 19 cm

Therefore, the perimeter of the triangle will be 19 cm.

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