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Mathematics 19 Online
OpenStudy (anonymous):

HELP!!!!! A satellite sends signals from space to the regions which lie within the shaded portion of the Earth, as shown below. If the radius of Earth is approximately 6000 kilometers, the part of Earth which receives signals from the satellite has an area of ________ square kilometers. Use π = 3.14.

OpenStudy (anonymous):

ganeshie8 (ganeshie8):

use sector formula

ganeshie8 (ganeshie8):

area of shaded sector = \(\frac{60}{360}*\pi*6000^2\) = ?

OpenStudy (anonymous):

113040?

OpenStudy (anonymous):

or 3140? maybe..? I'm confused

OpenStudy (anonymous):

@ganeshie8 please help..

ganeshie8 (ganeshie8):

you forgot to square 6000 i thnk

ganeshie8 (ganeshie8):

you should get : 1/6 * 3.14 * 6000 * 6000 = 18840000

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