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Mathematics, 18.03.2021 01:20 raikespeare5080

Chris is standing 40m from the base of a cliff and noted that the height of the cliff was 70m. What was the angle at which he was looking up? Assume his eye level is 1m above the ground.

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Chris is standing 40m from the base of a cliff and noted that the height of the cliff was 70m. What...
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