Question

What is the midpoint of EC ?

A: (t + p, r)


B: (p – t, r)



D: (p, r)

Answer 1

A: (t + p, r)

Explanation:

To find the midpoint of EC

Let (x1, y1) = E(2t, 0) and (x2, y2) = C(2p, 2r)

Midpoint = [(2t + 2p)/2 , (0 + 2r)/2]

= (2(t + p)/2 , 2r/2)

= (t + p, r)