A builder makes drainpipes that drop 1 cm over a horizontal distance of 30cm to provent clogs a certain drainpipe needs to cover a horizontal distance of 700cm whats is the lenght of the drainpipe? round your answer to the nearest tenth of a centimeter

Explanation:

The ratio of the vertical drop to the horizontal distance covered is 1 cm / 30 cm.

If you draw the drainpipe as a straight line, the angle of inclination, β, will be such that:

Then, β = arctan(1/30) = 1.90915º

Now you can relate the length of the drainpipe with the angle and the horizontal distance with the trigonometric ratio cosine:

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step-by-step explanation: