Question
Show that the triangle with vertices at the points $\mathbf{R}(0,1), \mathbf{S}(8,-7)$, and $\mathbf{T}(1,-6)$ is isosceles.
Step 1
We will use the distance formula, which is given by: \[ d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2} \] Show more…
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