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I need help I don’t have a lot of time It’s question 6

I Need Help I Dont Have A Lot Of Time Its Question 6 class=

Sagot :

Find out the total surface area

The formula to calculate the SA is given by

[tex]SA=2B+PL[/tex]

where

B is the area of the triangular face

P is the perimeter of the triangular face

L is the length of the prism (tent)

find out B

[tex]\begin{gathered} B=\frac{1}{2}*8*5 \\ B=20\text{ m}^2 \end{gathered}[/tex]

Find out P

[tex]\begin{gathered} P=8+6+6 \\ P=20\text{ m} \end{gathered}[/tex]

L=10 m

substitute

[tex]\begin{gathered} SA=2(20)+20(10) \\ SA=240\text{ m}^2 \end{gathered}[/tex]

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