Question
Find the area of the triangle whose vertices $\mathbf{R}, \mathbf{S}$, and $\mathbf{T}$ are given in Exercises $21-24$.
Step 1
Let's denote the vertices as \(\mathbf{R}(x_1, y_1)\), \(\mathbf{S}(x_2, y_2)\), and \(\mathbf{T}(x_3, y_3)\). Show more…
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