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Mathematics 22 Online
OpenStudy (rebeccapink6398):

please help <3 will medal+Fan !!!

OpenStudy (rebeccapink6398):

OpenStudy (rebeccapink6398):

@BlossomCake @Butterfield1215 @geerky42 @Here_to_Help15 @iYuko @Legends @Nnesha @omarbirjas @ryamorgan284 @sammixboo @tHe_FiZiCx99 @TheSmartOne @ElmosGuts @iambatman

OpenStudy (xapproachesinfinity):

the surface area is the addition of all sides areas

OpenStudy (rebeccapink6398):

okay thank you, can you help me with thisone?

OpenStudy (xapproachesinfinity):

you have two triangles with equal area two rectangle with equal area and the bottom

OpenStudy (xapproachesinfinity):

so let's start with area of the triangle =1/2 height times base

OpenStudy (xapproachesinfinity):

1/2 15 times 18 multiply that by 2 to get the area of two triangles

OpenStudy (rebeccapink6398):

wait. i understand that one. i got it. can you help me with this one?

OpenStudy (xapproachesinfinity):

now rectangle area width times length width= 15 length= 30 multiply that by 2 to get the area of two rectangles

OpenStudy (xapproachesinfinity):

well it is really the same idea that works with any other shape find area of each side and sum up

OpenStudy (xapproachesinfinity):

that pyramid has four equal triangle in area + the area of the base that's all

OpenStudy (xapproachesinfinity):

the base is a square

OpenStudy (xapproachesinfinity):

area of one triangle is 1/2 12 times 15 multiply that by 4 then add the area of the square base

OpenStudy (rebeccapink6398):

OH!! Thank you! I * all the sides and gto everythingy but it still didnt seem rigth so i did the base and i understand thank you!!!

OpenStudy (xapproachesinfinity):

alright glad to hear that :)

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