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Anestetic [448]
2 years ago
5

I really need help please

Mathematics
1 answer:
Leokris [45]2 years ago
6 0

Answer:

So we have two given angles- 31* and 43*.

First we add those together.

31* + 43* = 74*

Then, we subtract that amount from 180*

180* - 74* = 106*

106* is the missing angle.

x106* - 31* = 75*

x106* + 43* = 149*

~Hope this helps~

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Make r the subject of the formula <br>v = \pi \: h {}^{2}(r - \frac{h}{3})v=πh2(r−3h​) <br>​
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\boxed{r =  \frac{h}{3}  +  \frac{v}{\pi {h}^{2} } }

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