A builder makes drainpipes that drop 1 cm over a horizontal distance of 30cm to prevent clogs a certain drainpipe needs to cover a horizontal distance of 700cm whats is the length of the drainpipe? round your answer to the nearest tenth of a centimeter
2 answers:
Answer:
The correct Answer for Khan Academy is 700.4
Step-by-step explanation:
<h2>
Answer: </h2><h2>
Length of the drainpipe = 700.7 cm </h2>
Step-by-step explanation:
Given a builder makes drainpipes that drop 1 cm over a horizontal distance of 30cm to prevent clogs. The ratio of the vertical drop to the horizontal distance covered is cm.
The angle of inclination,
tan(θ) =
θ = 1.9º
By trignometric ratio,
cos(θ) =
length of the drainpipe = =
length of the drainpipe = 700.7 cm
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