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In each side of a triangle is halved then its perimeter will be decreased by(A) 100% (B) 50% (C) 25% (D) nonePlz write option number.

For this exercise we have this triangle, that's half! So, let's suppose all of them were x and not have an out a half x and half x, so it was 3 x in terms of its perimeter and now it's 1.5 x. So, as you can see, 3 to 1.5 is a 50 percent decrease because it's half as much thus b 50 percent is a solution to this exercise.

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