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nayelieangueira
29.01.2020 •
Mathematics
What is the perimeter of a triangle with points at (−3, 3) , (3, 4) , and (3,-3)?
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Ответ:
Using the distance formula (google it):
AB^2 = (-3-3)^2 + (3-4)^2
= 36 + 1
AB = square root of 37 units
BC^2 = (3-3)^2 + (4+3)^2
= 144
BC = 12 units
AC^2 = (-3-3)^2 + (3+3)^2
= 36 + 81
AC = square root of 117 units
Perimeter = AB + BC +AC
= root 37 + 12 + root 117
= root 37 + 12 + 3 root 13
Ответ: