Question

The straight lines x+y = 0, 3x+y-4 = 0, and x+3y-4 = 0 form a triangle which is

a. isosceles
b. equilateral
c. right angled
d. none of these

Answer 1

The vertices are \((1,1),(2,-2)\) and \((-2,2)\).

Answer 2

Hmm safe option would be none of these i guess not sure

Answer 3

it's a triangle with two sides equal that's all i know

Answer 4

what does isoceles? i don't remember i have a poor memory

Answer 5

....does isoceles stands for*...

Answer 6

Actually it's isosceles.

Answer 7

a triangle with two sides equal is an isosceles triangle

Answer 8

The distance between (1,1) and (2,-2) is the same as the distance between (1,1) and (-2,2), right?

Answer 9

Oh I see, I can't believe my memory has been degraded to such extent

then a is the answer