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Mathematics 9 Online
OpenStudy (anonymous):

http://prntscr.com/6niw0f

OpenStudy (anonymous):

@amistre64

OpenStudy (amistre64):

the question makes an assumption that is not given

OpenStudy (amistre64):

the base is assumed to be square otherwise there could be no real calculations

OpenStudy (amistre64):

what are your thoughts?

OpenStudy (anonymous):

That it is a square due to the picture, or at least it is rectangle

OpenStudy (amistre64):

if its not a square then we cant calculate the objects area entotal

OpenStudy (amistre64):

it should have stated a square pyramid, otherwise there really isnt a correct answer other than making the assumption that in order for an answer choice to be correct it must be square.

OpenStudy (amistre64):

there is really no indication that the bases is rectangular to start with .... its a bad problem from the gitgo

OpenStudy (amistre64):

make the assumption, |dw:1427764653807:dw|

OpenStudy (amistre64):

the shape has 1 square and 4 triangles ... how would you work it?

OpenStudy (anonymous):

calculate the area of teh triangle and square then add it

OpenStudy (amistre64):

yep, square + 4triangles = total area

OpenStudy (amistre64):

square = 4*4 triangle = 4*6/2 16 + 4(12) = total area

OpenStudy (anonymous):

4*4=16 4*6=24 24/2=12

OpenStudy (amistre64):

good, and there are 4 of those areas of 12

OpenStudy (anonymous):

so do 12*4?

OpenStudy (amistre64):

square + 4 (triangle) 16 + 4(12) yes

OpenStudy (anonymous):

Hold on you're confusing me.. so i do the equation i originally had but i take 12 and times it by 4 then i will get my answer?

OpenStudy (amistre64):

yes, 1 triangle has an area of 12, and we have 4 of them.

OpenStudy (anonymous):

64

OpenStudy (anonymous):

@amistre64

OpenStudy (amistre64):

16 + 48 56 + 8 60 + 4 .. 64 is good

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