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eyeneedalife
15.01.2021 •
Mathematics
The diagram shows a sector of a circle radius 10 cm.
Find the area of the sector, giving
your answer correct to 1 decimal place.
135°
10 cm
please give the working out aswell !!
Solved
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Ответ:
Area of sector = 117.6 cm²
Step-by-step explanation:
Radius of sector r = 10 cm
Angle Ф = 135°
We need to find Area of sector
The formula used is:![\mathbf{Area\:of\:Sector=\frac{\theta}{360^{\circ}}\times \pi r^2}](/tpl/images/1038/6329/f4be9.png)
Where Ф is the angle, and r is the radius.
Putting values and finding area of sector
Now, rounding off answer to 1 decimal place:
So, Area of sector = 117.6 cm²
Ответ:
Step-by-step explanation:
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