3 years ago

A cliff overlooking Lanberry Lake is experiencing erosion, losing elevation at a rate of 5%

Mathematics

1 answer:

mezya [45]3 years ago

6 0

Answer:

882

Step-by-step explanation:

if its right then your welcome <3

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Liula [17]

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Step-by-step explanation:15 x 8.2 = 123 ft

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3 years ago

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The radius of a circle with the given dimension being r=17cm

postnew [5]

D=2r
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3 years ago

Find the area of the figure.

givi [52]

these are just two semi-circles, one with a diameter of 22 and the other with a diameter of 30 - 22, or 8, and therefore their radius are 11 and 4 respectively.

$\bf \textit{area of a semi-circle}\\\\ A=\cfrac{\pi r^2}{2}~~,~~ \stackrel{r=11}{A=\cfrac{\pi 11^2}{2}}\implies A=\cfrac{121\pi }{2}~~,~~ \stackrel{r=4}{A=\cfrac{\pi 4^2}{2}}\implies A=8\pi \\\\ -------------------------------\\\\ \stackrel{\textit{total area of the figure}}{\cfrac{121\pi }{2}+8\pi }\implies \cfrac{121\pi +16\pi }{2}\implies \cfrac{137\pi }{2}$