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Mathematics 18 Online
OpenStudy (anonymous):

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 m2 B. a semicircle with an area of m2 C. a rectangle with an area of 33 m2 D. a rectangle with an area of 66 m2

OpenStudy (anonymous):

i choose A and C

OpenStudy (anonymous):

a and b are missing the numbers

OpenStudy (anonymous):

hmm let me check what they r

OpenStudy (anonymous):

A is 4.5 pi m sq. and B is 18 pi m sq.

OpenStudy (anonymous):

but to help, 11*3=33, so that will have to be your first part of your answer. and since the semi circle is half of a circle, the area of it would have to be 2 times less than the regular circle. if i had to choose a second part, itd be b. so B and C would be my best guess

OpenStudy (anonymous):

sorry my confusion, B and D

OpenStudy (anonymous):

11*6=66 so its Band D

OpenStudy (anonymous):

ok thx again

OpenStudy (anonymous):

no problem

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