An access ramp enters a building 1 meter above ground level and starts 4 meters from the building. How long is the ramp? If it is not possible, write “not possible” and explain why it is not possible.

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  1. Since you have a right triangle, you can use the Pythagorean theorem.

    a^2 + b^2 = c^2
    1^2 + 4^2 = c^2
    1 + 16 = c^2
    17 = c^2
    4.123 = c

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