# Slope of the pool

Calculate slope (rise:run) of the bottom of the swimming pool long 30 m. Water depth at beginning of the pool is 1.13 m (for children) and depth at the end is 1.84 m (for swimmers). Slope express as percentage and as the angle in degrees.

Correct result:

p =  2.4 %
α =  1.4 °

#### Solution:

$p=\frac{1.84-1.13}{30}\cdot 100=2.4\mathrm{%}$

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Math student
(y2-y1) /  (x2-x1)   0.73/ (10-10??)

Math student
10-0
x2 = 0?

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