Geography, 27.09.2019 01:00 julieariscar769
What's the approximate area of a segment of a circle with a height 6 m and the length of the chord is 20 m? round your answer to the nearest whole number.
Answers: 1
![chord = 2 \sqrt{ [ height x ( 2 x radius - height) ]}](/tpl/images/0266/3973/6d21b.png)
![20 m= 2 \sqrt{ [ 6 m x ( 2 x radius - 6 m ) ]}](/tpl/images/0266/3973/0d026.png)
![Area =r^2 \times arc cosine [ \frac{r-h}{r}] - (r-h) \times \sqrt{(2\times r\times h - h^2)}](/tpl/images/0266/3973/f2687.png)
![Area = 128.44 \times arc cosine [\frac{5.33}{11.33}] - 5.33 \times \sqrt{2\times 68 - 36 }](/tpl/images/0266/3973/fb497.png)
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