Geometry
posted by
angie on
.
midpoint of L. 1/3XY = 3.
What is the midpiont of XY?

Geometry 
Henry,
1/3XY = 3,
Multiply both sides by 3:
xy = 9,
Midpoint = 9/2 = 4.5

Geometry 
Anonymous,
If triangle ÄXYZ is equilateral and the length of one side is 7.5, what is the perimeter of ÄXYZ and what is the measure of each angle?