Question

12. Find the third side of a triangle having perimeter as 90 cm and the lengths of two sides as 9 cm and 40 cm.​

Answer 1

41cm may be

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Answer 2

Answer:

the perimeter of triangle =90

Two sides of triangle =9 and 40

perimeter of triangle =sum of all side of triangle

Let the third side =x

90=9+40+x

90=49+x

x=90-49

x=41