What is the length of the third side if the perimeter of the triangle is 17 cm.

8 cm

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5 cm

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6 cm

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10 cm

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Solution

The correct option is C 6 cm
We know, perimeter is the sum of all the sides.

So,
The length of the third side = perimeter - sum of the lengths of the two given sides
$\Rightarrow$ Third side = 17 cm - (6 cm + 5 cm)
= 17 cm - 11 cm
= 6 cm

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What is the length of the third side if the perimeter of the triangle is 17 cm.

The correct option is C 6 cmWe know, perimeter is the sum of all the sides. So, The length of the third side = perimeter - sum of the lengths of the two given sides ⇒Third side = 17 cm - (6 cm + 5 cm) = 17 cm - 11 cm = 6 cm

The correct option is C 6 cm
We know, perimeter is the sum of all the sides.

So,
The length of the third side = perimeter - sum of the lengths of the two given sides
$\Rightarrow$ Third side = 17 cm - (6 cm + 5 cm)
= 17 cm - 11 cm
= 6 cm