Answer:
In terms of pi: 243
in decimal form: 763.407
Step-by-step explanation:
to find surface area of a hemisphere the formula is,

diameter (d) = 18
radius = d / 2 = 18 / 2
radius = 9

Answer:
1: 8
Step-by-step explanation:
4 : 32
Divide both the left and right side by 4
4/4 =1
32/4 = 8
4:32 becomes 1:8
Step-by-step explanation:
The dimensions of the cuboid are 5 cm, 7 cm and 9 cm.
The formula for the surface area of the cuboid is as follows :

We have,
b = 9 cm, l = 7 cm and h = 5 cm
So,

Jamie forgets to multiply 143 by 2 as the formula for surface area contains 2 as well.
Try the last one; it doesn't mention anything foreign.
Answer:
a or d im very positive that is d
Step-by-step explanation: