1.
|
a
|
b
|
c
|
d
|
e
|
f
|
|
16 cm3
|
36 cm3
|
24 cm3
|
20 cm3
|
39 cm3
|
18 cm3
|
2. a. Volume of cube = 15.625 m3
Surface area of cube = 37.5 m2
b. Volume of cuboid = 480 m3
Surface area of cuboid = 412 m2
3. Activity
4.
|
a
|
b
|
c
|
d
|
|
120 m3
|
120 000 000 cm3
|
120 000 litres
|
148 m2
|
5. Volume of object = 400 cm3
Surface area of object = 360 cm2
6. a. Volume of pool = 500 m3
b. Surface area of floor and walls = 390 m2
c. Amount of water = 500 000 litres
7. a. Volume of cuboid = 495 cm3
Surface area of cuboid = 398 cm2
b. Volume of cuboid = 118.125 cm3
Surface area of cuboid = 151.5 cm2
