Answer:
Radius: 4.2cm
Diameter: 8.4cm
Step-by-step explanation:
Radius is half of the diameter.
In order to find the diameter, you would have to multiply the radius by 2.
In order to find the radius, you would have to divide the diameter by 2.
I think It is be but idk as I am in year 7
Look at intersecting points of line on x- and y-axis.
The points would be: (8,0) & (0,4)
formula of slope = (y2-y1) / (x2-x1)
(4-0)/(0-8) = -4/8 = -1/2.
