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Mathematics, 17.02.2022 16:20 juliannabartra

A ladder that is 21 feet long is propped against a building. The bottom of the ladder was placed 4 feet from the base of the building. How high up on the building does the ladder reach? Round the answer to the nearest tenth of a foot. 4. 1 feet 17. 0 feet 20. 6 feet 21. 4 feet.

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