Question

Two sides of a triangle are 4.5 cm and 5.5 cm.Find the third side if perimeter is 15cm​

Answer 1

Answer:

Third side of the triangle is 5 cm.

Step-by-step explanation:

Perimeter of triangle=A+B+C cm

Let A=4.5 cm.

and B=5.5 cm.

ATP,

4.5+5.5+C=15

or, 10+C=15

or, C=5 cm.

Answer 2

Answer:

The third side is 5cm.

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Step-by-step explanation:

let the third side be x.

perimeter=sum of all sides

15cm = 4.5+5.5+x

15-10=x

x=5 cm