3 years ago

If two sides of a triangle measure 12 and 7, which cannot be the perimeter of the triangle?

Mathematics

1 answer:

ser-zykov [4K]3 years ago

8 0

Hi,
Let assume x the 3th side.
x<12+7==> x<19
12<x+7==>x>5
So 5<x<19==> 5+7+12<x+7+12<19+7+12
==>24<x<38
Answer d.

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