Question
PSLE
Howard wanted to build a set of steps with 2-cm cubes. The figures show how he built the steps from a height of 4 cm to 6 cm to 8 cm. If Howard continued building the steps in this way, what would be the height of the set of steps that had 63 cubes? Express your answer in cm.
2 m

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PSLE
Howard wanted to build a set of steps with 2-cm cubes. The figures show how he built the steps from a height of 4 cm to 6 cm to 8 cm. If Howard continued building the steps in this way, what would be the height of the set of steps that had 63 cubes? Express your answer in cm.