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Dafna1 [17]
3 years ago
15

Find ST, where the endpoints S(-5,-1) and T(-2,3). Leave answer exact

Mathematics
1 answer:
stellarik [79]3 years ago
5 0

Answer:

ST = 5

Step-by-step explanation:

Calculate ST using the distance formula

d = \sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2    }

with )x₁, y₁ ) = S(- 5, - 1) and (x₂, y₂ ) = T(- 2, 3)

ST = \sqrt{(-2+5)^2+(3+1)^2}

     = \sqrt{3^2+4^2}

    = \sqrt{9+16}

     = \sqrt{25}

      = 5

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