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20 votes
20 votes
If a triangle, has an area of 4x+8 and a height of 8, write an expression to represent the base. The base of the triangle is ?

User Dsharlet
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1 Answer

11 votes
11 votes

we know that the area of a triangle is:


A=(h\cdot b)/(2)

so we replace the values of the area so:


4x+8=(8b)/(2)

and we solve for x


\begin{gathered} 8x+16=8b \\ b=x+2 \end{gathered}

User Mojdeh
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2.9k points
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