Question

the perimeter of triangle is 26.6cm.two of it's side are 7.1 and 9cm.find the length of the third side of the triangle.

Answer 1

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Answer 2

Answer:

The third side of a triangle is 10.5 cm.

Step-by-step explanation:

To find the length of the third side of a triangle with two sides and a perimeter we can use the formula:

Third side =  Perimeter - (First side + Second side)

Here the perimeter of the triangle is 26.6 cm and the two sides are 7.1 cm and 9 cm, respectively.

Substituting these values ​​into the above formula, we get:

Third page = 26.6 - (7th1+9)

Third Side = 10.5cm

So the third side of a triangle is 10.5 cm.

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