Question

the perimeter of a triangle is 49 CM if one side is 7 cm longer than the second and 5CM shorter than the third side find the measure of third side of the triangle​

Answer 1

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Answer 2

Answer:

17,10,22

Step-by-step explanation:

let 1st ,2nd, 3rd sides of triangle be x,y,z respectively

given, perimeter of triangle is 49cm.

I.e, x+y+z=49.

given one side is 7cm longer than 2nd

I.e,x=y+7

x-7=y

given 1st side is 5cm shorter than 3rd

I.e, x=z-5

x+5=z

as x+y+z=49

x+x-7+x+5=49

3x=51

x=17

y=x-7=17-7=10

z=x+5=17+5=22

therefore, x,y,z are 17,10,22 respectively