Midpoint formula:
x, y = (x2+x1/2), (y2+y1/2)
x, y= (3+8/2), (4-4/2)
x, y= (5.5), (0)
Therefor the midpoint is (5.5, 0)
Hope I helped :)
4
let the number be x
so by the question , 2x+5=13
solving this we get ,
2x=13-5
2x=8
so x=4
Answer: 90° counterclockwise rotation about the origin
Step-by-step explanation: Coordinates..
green:
A(-9, 5)
B(-4, 5)
C(-5, -3)
D(-8, -3)
red:
A(5, 9)
B(5, 4)
C(-3, 5)
D(-3, 8)