3 years ago

WILL AWARD BRAINLEST Please show work.

Mathematics

2 answers:

Morgarella [4.7K]3 years ago

7 0

Answer:

Step-by-step explanation:

Hope this helps u!!

alexandr402 [8]3 years ago

6 0

Answer:

$h = \frac{s - 2\pi {r}^{2} }{2\pi \: r}$

Step-by-step explanation:

$s = 2\pi \: r \: h + 2\pi {r}^{2} \\ s - 2\pi {r}^{2} = 2\pi \: r \: h \\ \frac{s - 2\pi {r}^{2} }{2\pi \: r} = \frac{2\pi \: rh}{2\pi \: r } \\ h \: = \frac{s - 2\pi {r}^{2} }{2\pi \: r}$

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SIZIF [17.4K]

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7 0

3 years ago

Read 2 more answers

A ladder is leaning up against a house. The ladder is 20 feet long and the base of the ladder is 12 feet away from the house. Ho

MrRa [10]

Answer:

16 feet

Step-by-step explanation:

The length of the ladder=20 feet

Distance from the base of the ladder to the house = 12 feet

You will notice that a wall is vertical and the ladder makes an angle with the horizontal ground(making it the hypotenuse). This is a right triangle problem.

To find the how far up the house can the ladder can reach, we simply find the third side of the right triangle.

From Pythagoras theorem

$Hyp^2=Opp^2+Adj^2\\20^2=12^2+Adj^2\\Adj^2=400-144\\Adj^2=256\\Adj=\sqrt{256}=16$