Question 1053545
find the perimeter of Triangle ABC where A(-4,-1), B(4,5), C(4,-2)
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Find the 3 lengths, AB, AC & BC
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Use the distance formula:
{{{d = sqrt(diffy^2 + diffx^2)}}}
AB = sqrt(8^2 + 6^2) = 10
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do the other 2 sides.
Add the 3 numbers.