Hello, JayJay!

Are yousureyou know what an isosceles triangle is?

Isosceles triangle XYZ is placed on a coordinate plane.

What could be the coordinates of its vertices?

Here's one way . . .Code:| *(0,b) *|* * | * * | * * | * * | * * | * * | * - - * - - - + - - - * - - (-a,0) | (a,0)

Here's another . . .Code:| | *(½a,b) | *:* | * : * | * : * | * : * | * : * | * : * |* : * - - * - - - + - - - * - - (0,0) (a,0)