How much of Earth is covered by Wilderness if we do NOT include frozen areas in the number? Is this
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Answer:
Step-by-step explanation:
The <u>total area</u> of the circle is given by:
where is a constant
and is the radius:
Thus the total area of this circle is:
We want only the area of the arc that measures 50°. For this we must remember that the arc of the total circle is 360°.
Thus, we want 50° out of the 360° degrees in the circle. For this, we divide the total area by 360 and then we multiply by 50:
the area of the sector to the nearest tenth is