Slope of the pool

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


Correct result:

p =  2.4 %
α =  1.4 °

Solution:

p=1.841.1330100=2.4% p = \dfrac{ 1.84-1.13}{ 30} \cdot 100 = 2.4 \%
tanα=1.841.1330 tanα=0.0237 α=arctan0.0237=1.4=12121"



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Showing 2 comments:
#
Math student
(y2-y1) /  (x2-x1)   0.73/ (10-10??)

#
Math student
10-0
x2 = 0?

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