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Climbing a Volcano

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Climbing a Volcano

Harold climbs a conical volcano.  The base of the mountain is 1 kilometer wide, and the caldera (the plateau at the top) is 0.1 kilometers wide. If the volcano is 2 kilometers tall from base to caldera, how far does Harold have to hike to reach the caldera? Give your answer to the nearest 100th of a kilometer.

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Problem by Mr. Twitchell


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