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Mathematics 19 Online
OpenStudy (janu16):

Can anybody please help????

OpenStudy (janu16):

Find the surface area of the pyramid

OpenStudy (janu16):

@Nnesha

OpenStudy (janu16):

@Campbell_st

OpenStudy (campbell_st):

there are 4 triangular faces with a height of 7ft and a base of 5 ft when you find surface area do you have to include the area of the square base.. 5 x 5 ?

OpenStudy (janu16):

Um this is new so idk but you can help me with incliding square

OpenStudy (janu16):

@campbell_st

OpenStudy (janu16):

@campbell_st

OpenStudy (campbell_st):

area of a triangle is \[Area = \frac{1}{2} \times Base \times Height\] the diagram shows the base as 5 and height as 7 find the area and multiply by 4 since 4 identical faces. the base is a square so the area is 5 x 5

OpenStudy (janu16):

So you said 7 times 4 and 5 times 5 so its 25 times 28 and the answer you get will be halfed? @campbell_st

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