Answer:
c.
d.
Step-by-step explanation:
the distance is always a matter of Pythagoras, as the distance and the x and y coordinate differences create a right-angled triangle (with the distance being the Hypotenuse).
distance² = (4-2)² + (4-1)² = 4 + 9 = 13
distance = sqrt(13)
the coordinates of the midpoint are simply the middle for every coordinate :
x : (4 + 2)/2 = 3
y : (4 + 1)/2 = 2.5
= (3, 2.5)
