Question

If each side of a triangle is halved, its perimeter decreased by

Answer 1

Answer:

1/2

Step-by-step explanation:

Let the length of the sides originally be x, y and z

Perimeter = x + y + z

Now the length of the sides are halved

So their new lengths are

$\frac{x}{2}$

,

$\frac{y}{2}$

and

$\frac{z}{2}$

So their sum is (x + y + z)/2

Answer 2

let side of the triangle be A B and C

perimeter of triangle = A+B+C

when the sides are halved,

perimeter = A/2+B/2+C/2

=1/2*(A+B+C)

therefore,

perimeter of new triangle= half of the perimeter of previous triangle

hope it helps !!!

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