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Which figures can be used to find the area of the composite figure?
Choose exactly two answers that are correct.
A.
a semicircle with an area of 4.5Pi m2
B.
a semicircle with an area of 18 PI m2
C.
a rectangle with an area of 33 m2
D.
a rectangle with an area of 66 m2
http://static.k12.com/calms_media/media/1571000_1571500/1571275/1/e519ed5deb61e1623a2ad3ca3191866ec7b0899e/MS_IMB-1401208-1110601.jpg PICTURE
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OpenStudy (anonymous):
@amorfide @leonardo0430 @ParthKohli @phi @AnswerMyQuestions ??? WHOEVER CAN HELP ME
OpenStudy (anonymous):
@iGreen
OpenStudy (igreen):
Okay, the rectangle has a length of 11 and a width of 6, multiply both of them to find the area of the rectangle.
OpenStudy (anonymous):
The area of the rectangle is 66
OpenStudy (igreen):
Correct, so that's one of our answer.s
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OpenStudy (igreen):
*answers.
OpenStudy (anonymous):
For the semi cirlce i cant figure out what
OpenStudy (anonymous):
because i know the area of circles
OpenStudy (igreen):
Area of a circle:
\(A = \pi r^2\)
\(A = 6^2\pi\)
OpenStudy (anonymous):
R*R*PI
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OpenStudy (igreen):
Just find the area then divide by 2
OpenStudy (anonymous):
i did.
OpenStudy (anonymous):
3*3 = 9 * 3.14 = 28.26
OpenStudy (anonymous):
3 is the radius
OpenStudy (igreen):
Right
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