1.
a
|
a = 5 cm
|
b
|
b = 13 cm
|
c
|
c = 12.5 cm (to 1 decimal place)
|
d
|
d = 14.1 cm (to one decimal place)
|
2.
a
|
10.6 metres from one corner to the other. | |
b
|
It is 36.1 cm from one corner to the opposite corner. | |
c
|
It is 62.5 metres from one corner to the centre spot. |
3. | |
a. Triangle. Area = 17.5 m2 |
b. Trapezium. Area = 70 cm2 |
c. Parallelogram. Area = 45.5 cm2 |
d. Parallelogram. Area = 96 cm2 |
e. Rhombus. Area = 96 cm2 |
f. Triangle. Area = 24 mm2 |
4. | |
a. Volume = 163.6 cm3 (to one decimal place) |
b. Volume = 384 cm3 |
c. Volume = 2278.5 cm3 |
d. Volume = 960 cm3 |