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Mathematics 50 Online
OpenStudy (gabbyalicorn):

What is the approximate area of the figure? Perimeter and Area, Part 1 A. 94.6 square feet B. 84.8 square feet C. 114.3 square feet D. 49.6 square feet

OpenStudy (gabbyalicorn):

OpenStudy (michele_laino):

the area of the rectangle, is: A=15*5=...feet^2

OpenStudy (gabbyalicorn):

15*5 = 75 but then u said feet^2 so then that got me thinking 75 x 75?

OpenStudy (michele_laino):

no, that's right! since the area of the rectangle is: base * height=15*5=75 feet^2

OpenStudy (gabbyalicorn):

oh yay! :D

OpenStudy (michele_laino):

please wait

OpenStudy (gabbyalicorn):

Yep.

OpenStudy (michele_laino):

the area of each half circle is: \[A = 3.14 \times 2.5 \times 2.5 = ...fee{t^2}\]

OpenStudy (gabbyalicorn):

19.625

OpenStudy (michele_laino):

ok! so the requested area is: 19.625+19.625+75=...

OpenStudy (gabbyalicorn):

114.25 which is C beacuse they rounded to get 3 :D

OpenStudy (michele_laino):

that's right!

OpenStudy (gabbyalicorn):

Yay! Thank youuuu! ^u^

OpenStudy (michele_laino):

:)

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