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Mathematics 9 Online
OpenStudy (anonymous):

What is the surface area of a triangular pyramid if each face has an area of 50 cm2? A. 200 cm2 B. 300 cm2 C. 150 cm2 D. 250 cm2

OpenStudy (anonymous):

@jim_thompson5910

OpenStudy (anonymous):

D

OpenStudy (anonymous):

\[50\times5=250\]

OpenStudy (wil476003):

Well depends is the bottom a square or triangle

OpenStudy (wil476003):

If it has a square bottom it is 300 B

OpenStudy (anonymous):

it doesent say

OpenStudy (sweetburger):

no it does say

OpenStudy (sweetburger):

i just drew it wrong by accident redrawing now

OpenStudy (sweetburger):

|dw:1435893470233:dw| thats a poor drawing but it shows that in a triangular pyramid that the top will be 3 sides and the base is also a triangle so its 4x50

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