Circle & Volume & Surface Area incl Converting Units

What is the circumference in METRES of a circle with DIAMETER 150 cm?

What is the VOLUME in mm² of a cuboid with dimensions:

30cm x 25cm x 15 cm

• 11,250 mm²

• 140 mm²

• 11, 250, 000 mm²

• 1400 mm²

Convert 360,000 cm³ to m³

• 0.36 m³

• 3600 m³

• 360 m³

• 36 m³

What is the area in m² of a circle with DIAMETER 100cm?

What is the Surface Area in cm²of a box WITH NO LID and dimensions of:

length=12 cm width=10 cm height=3 cm

• 720 cm²

• 252 cm²

• 372 cm²

How much water in LITRES can a container hold if it has dimensions:

3 dm x 20 cm x 7 dm ?

• 420 litres

• 42, 000 litres

• 42 litres

• 4.2 litres

What is the Surface Area: Volume Ratio of a box with dimensions:

length = 16mm width= 12mm height = 5mm?

What is the area of this shape?

(All answers below are cms)

Which box would keep food the HOTTEST for the LONGEST if their

volumes were the same?

A box with SA:Volume ratio of....

• 0.6

• 0.2

• 0.7

• 0.5

Which box (if their volumes are the same) would be the

MOST EXPENSIVE to make?

A box with SA:Volume ratio of......

• 0.5

• 0.85

• 0.75

• 0.8