Four identical particles, each with mass m, are arranged in the x,y plane as shown. They are connected by light (treat as massless) sticks to form a...

Four identical particles, each with mass m, are arranged in the x,yplane as shown. They are connected by light (treat as massless)sticks to form a rigid body. If m = 2.0kg and a = 1.0m, therotational inertia of this array about the y axis is: