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Serggg [28]
3 years ago
12

What type of triangle is formed by joining the points D(7, 3), E(8, 1), and

Mathematics
1 answer:
KiRa [710]3 years ago
7 0

D(7, 3), E(8, 1), and  F(4, -1)

We calculate the squared distances between the points:

DE^2 = 1^2 + 2^2 = 5

EF^2=4^2+2^2=20

DF^2=3^2+4^2=25

Since DF^2=DE^2+EF^2 we have a right triangle with hypotenuse DF.

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