Answer:
1) d = 2000/3 m
2) r = 500/3 m
Step-by-step explanation:
1) Diameter
The diameter of a hemisphere is twice the radius.
d = 2r
If r = 1000/3 m
d = 2 × 1000/3 = 2000/3 m
2) Radius
d = 2r
Divide each side by 2
r = d/2 = ½d
If d = 1000/3 m
r = ½ × 1000/3 = 500/3 m