Question

How do I identify the triangle PQR as isosceles, equilateral,right triangle or scalene?
Here it is:

P(-.5,-1) , Q(1.5,1), R( the square root of 3 minus 3 , the square root of 3 /2)

Thanks a lot!!

Answer 1

I would use the distance formula to find the length of each side.

Answer 2

http://www.purplemath.com/modules/distform.htm

Answer 3

If all three are the same, it is equilateral.

Answer 4

2 sides the same is isosceles.

Answer 5

Right triangle would follow the formula a^2 + b^2 = c^2

Answer 6

Scalene is if none of them are the same, but it's not a right triangle.

Answer 7

Make sense, @Spenceryellow ?

Answer 8

Yes, thanks!