# Ladder

4 m long ladder touches the cube 1mx1m at the wall. How high reach on the wall?

### Correct answer:

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Line slope calculator is helpful for basic calculations in analytic geometry. The coordinates of two points in the plane calculate slope, normal and parametric line equation(s), slope, directional angle, direction vector, the length of the segment, intersections of the coordinate axes, etc.

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Pythagorean theorem is the base for the right triangle calculator.

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Do you have a linear equation or system of equations and looking for its solution? Or do you have a quadratic equation?

Pythagorean theorem is the base for the right triangle calculator.

See also our trigonometric triangle calculator.

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