Remy
posted by Maths URGENT .
triangle AOB is a right angled triangle....(1.5, 2)is the midpoint coordinate of AB the coordinate of B is (2.5. 0)...
Find the height of point A reached by the the top of the triangle...
Could you show this stepby step please?

Rise over run. Going from 1.5 to 2.5 along the x axis caused the height to go from 2 to zero. Run=1, rise=2. So going from 1.5 should to zero should raise the point up 3. Top of the triange is at 5.