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Mathematics 12 Online
OpenStudy (anonymous):

HELP!!!!

OpenStudy (anonymous):

https://media.studyisland.com/pics/185151pic4.png Sam created a porch that was part wooden and part concrete, as shown in the figure below. Note: Figure not drawn to scale If a = 21 ft, b = 28 ft, and c = 35 ft, what is the total area of the porch? Assume that the wooden part is a right triangle and the concrete part is a square. A. 1,715 ft2 B. 217 ft2 C. 119 ft2 D. 1,519 ft2

OpenStudy (anonymous):

@sleepyjess @math&ing001 @mayankdevnani

OpenStudy (sleepyjess):

Find the area of each shape then add them together

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

i got c.

OpenStudy (sleepyjess):

First, what is the area of the square?

OpenStudy (math&ing001):

Can't be C, what did you get for the area of the triangle ?

OpenStudy (anonymous):

70 for the square

OpenStudy (sleepyjess):

You need to multiply, not add

OpenStudy (math&ing001):

Area of square is c*c not c+c

OpenStudy (anonymous):

sorry then its 1225

OpenStudy (sleepyjess):

Yes, and now for the triangle?

OpenStudy (anonymous):

588

OpenStudy (math&ing001):

area of triangle is a*b/2

OpenStudy (anonymous):

294??

OpenStudy (math&ing001):

yes !

OpenStudy (anonymous):

1,519 so d. :)

OpenStudy (math&ing001):

Yep !

OpenStudy (anonymous):

Thank you!!:)

OpenStudy (math&ing001):

No probs ! =)

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