Question

Find the possible lengths of the three sides of two triangles whose perimeter is 21 centimetre

Answer 1

Let the length of triangle be x

The length of triangle are same

Then

Perimeter of Triangle =sum of all side

21 = X +x+x

21 = 3x

3x. =21

X =. 7

The length of Triangle is 7 cm

Answer 2

Answer:

7 CM......................

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