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Given the vertices A(2,-2) B(0,4) and C(-4,-4): Classify the triangle by its sides: scalene, isosceles, or equilateral (Is the triangle scalene, isosceles, or equilateral?) Classify the triangle by its angles: acute, obtuse, or right (Is the triangle acute, obtuse, or right?)

Step-by-step explanation:

At first, lets find the distance from one point to the other.

The same way, you can find that:

Since the triangle has only its two sides equal to each other (AB = AC),

it's an isosceles one.

As long as the angles are concerned, we gotta "cheat". In other words, we see that:

By the inverse of pythagorean theorem, we know that if the above equation holds, then we have a right-angled triangle. That is to say that,

A = 90

Since its an isosceles triangle, AB = AC,

B = C = (180 - A)/2 = 45 degrees

75

step-by-step explanation: