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What type of triangle is formed by joining the points D(7, 3), E(8,
1), andF(4, -1)?equilateral triangle isosceles triangle right triangle
acute scalene triangle obtuse scalene triangle

Sagot :

I have already answered...
It's very easy, to resolve this exercise is necessary to use the cartesian coordinate system. However the answear is: right triangle. ;)


Answer:

e

Step-by-step explanation: