Maths question (coordinates and triangles! fun!)?

This is exactly what my question sheet said: "Draw some isosceles triangles with an area of 9cm and a vertex at (20,20). If all the vertices have whole number coordinates, how many is it possible to draw? now explain how you know that you have found that you have found them all?" be very detailed... show more This is exactly what my question sheet said: "Draw some isosceles triangles with an area of 9cm and a vertex at (20,20).

If all the vertices have whole number coordinates, how many is it possible to draw?

now explain how you know that you have found that you have found them all?"

be very detailed and long pls :)
2 answers 2