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Pre-Algebra 9 Online
OpenStudy (anonymous):

HEELP WILL MEDAL AND FAN!!

OpenStudy (anonymous):

OpenStudy (anonymous):

212.5 square centimeters 86.9 square centimeters 137.1 square centimeters 162.2 square centimeters

rebeccaxhawaii (rebeccaxhawaii):

well lets get the area of the rectangle first A=L x W what do you get?

OpenStudy (anonymous):

I got 168..

OpenStudy (anonymous):

84?

rebeccaxhawaii (rebeccaxhawaii):

okay so we are trying to find the area of the rectangle first the formula to find that is A= L x W if this is your rectangle |dw:1458085098635:dw| then what is the area?

OpenStudy (anonymous):

96

rebeccaxhawaii (rebeccaxhawaii):

okay so 96 is the area of the rectangle now we need to find the area of the semi circle so the diameter of the circle is 8 if the radius is half the diameter then what is the radius?

OpenStudy (anonymous):

4

rebeccaxhawaii (rebeccaxhawaii):

yes so to find the area of a circle this is the formula we use |dw:1458085627043:dw|

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