Question
PSLE
Brandon wanted to build a set of steps with 4-cm cubes. The figures show how he built the steps from a height of 8 cm to 12 cm to 16 cm. If Brandon continued building the steps in this way, what would be the height of the set of steps that had 220 cubes? Express your answer in cm.
2 m

Click button first when a symbol is required. X

PSLE
Brandon wanted to build a set of steps with 4-cm cubes. The figures show how he built the steps from a height of 8 cm to 12 cm to 16 cm. If Brandon continued building the steps in this way, what would be the height of the set of steps that had 220 cubes? Express your answer in cm.