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[tex]\triangle ABC[/tex] has vertices of [tex]A (-2,5), B(-4,-2)[/tex], and [tex]C (3,-4)[/tex].

The length of [tex]AB[/tex] is [tex]\square[/tex]

The length of [tex]AC[/tex] is [tex]\square[/tex]

The length of [tex]BC[/tex] is [tex]\square[/tex]

Therefore, the triangle is [tex]\square[/tex]


Sagot :

Sure! Let's determine the various lengths and the type of triangle step by step:

1. Finding the Length of [tex]\(AB\)[/tex]:
Using the distance formula [tex]\( d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2} \)[/tex], where [tex]\(A (-2,5)\)[/tex] and [tex]\(B(-4,-2)\)[/tex]:
[tex]\[ AB = 7.280109889280518 \][/tex]

2. Finding the Length of [tex]\(AC\)[/tex]:
Using the distance formula again, where [tex]\(A (-2,5)\)[/tex] and [tex]\(C (3,-4)\)[/tex]:
[tex]\[ AC = 10.295630140987 \][/tex]

3. Finding the Length of [tex]\(BC\)[/tex]:
Using the distance formula again, where [tex]\(B(-4,-2)\)[/tex] and [tex]\(C (3,-4)\)[/tex]:
[tex]\[ BC = 7.280109889280518 \][/tex]

4. Determining the Type of Triangle:
To determine the type of triangle, we compare the lengths of its sides:
- [tex]\(AB = 7.280109889280518\)[/tex]
- [tex]\(AC = 10.295630140987\)[/tex]
- [tex]\(BC = 7.280109889280518\)[/tex]

Since [tex]\(AB = BC\)[/tex] and [tex]\(AC \neq AB \neq BC\)[/tex], two sides are equal, and one side is different. Therefore, the triangle is isosceles.

So the complete answer is:
[tex]\[ \text{The length of } AB \text{ is } 7.280109889280518 \text{ The length of } AC \text{ is } 10.295630140987 \text{ The length of } BC \text{ is } 7.280109889280518 \text{ Therefore, the triangle is isosceles} \][/tex]