Estimate the height (in cm) of the ladder.

220

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240

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260

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280

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Solution

The correct option is B 240
From the picture, we can estimate that Amy is almost as tall as the 3rd step of the ladder.
Height of Amy = 117 cm, which could be estimated to be 120 cm.
Since there are a total of 6 steps in the ladder, the 3rd step is at the halfway point. Thus, the height of the ladder would be twice the height of Amy.
=> Height of the ladder = 2 x 120 = 240 cm

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