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OpenStudy (i_love_my_nieces):
OpenStudy (i_love_my_nieces):
That is my question.
OpenStudy (i_love_my_nieces):
@Michele_Laino @iGreen @TheSmartOne
OpenStudy (i_love_my_nieces):
@jagr2713
OpenStudy (anonymous):
You are given the height of the triangle to be 22 and the base to be 8 cm. so simply use the formula of a triangle which is base*height/2 or 22*8/2= 88cm^2, but since there are 4 of them, just quadruplicate the 88, giving you 352cm^2.
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OpenStudy (igreen):
LA = 1/2 * P * s
OpenStudy (igreen):
LA = 1/2 * 8 * 8 * 22
OpenStudy (igreen):
Simplify
OpenStudy (igreen):
P is perimeter..'s' is slant height.
OpenStudy (michele_laino):
hint:
the requested lateral area is four times the area of the triangle whose base is 8 cm, and whose height is 22 cm
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OpenStudy (i_love_my_nieces):
@iGreen is that 1 divided by 2 or 1 over 2
OpenStudy (i_love_my_nieces):
@Hoslos Can you show your work for me so I can write in done in my notebook for notes, please?
OpenStudy (igreen):
It's the same thing.
OpenStudy (igreen):
\(\sf LA = \dfrac{1}{2} \times 8 \times 8 \times 22\)
OpenStudy (i_love_my_nieces):
Can you please give me the formula?
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OpenStudy (igreen):
\(\sf LA = \dfrac{1}{2}Ps\)
Where 'P' is the perimeter(multiplying the base to the base) and 's' is the slant height.
OpenStudy (i_love_my_nieces):
Okay thank you
OpenStudy (i_love_my_nieces):
So, all I show for my work would be: 1/2 x 8 x 8 x 22 = 704 cm??
OpenStudy (i_love_my_nieces):
@iGreen am I right on how to show my work??
OpenStudy (i_love_my_nieces):
@iGreen @iGreen @iGreen @iGreen @iGreen
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OpenStudy (igreen):
Correct
OpenStudy (i_love_my_nieces):
OK thank you will you help me with like one or two more please?