Question

show that A(8;-4);B(9;5);C(0;4) are the vertices of isoscles triangle
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Answer 1

Step-by-step explanation:

I cant tell u whole answer but i can give u hint..

first draw a traingle take A vertices x1 and y1 similarly take B and C..

using distance formula find the distance between AB BC AND AC...

Then u will find Ab=ac therefore it is isoscles..

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Answer 2

a=√82

b=√82

c=8√2

since a=b

it is isosceles