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2019 AMC 8 Problems/Problem 21

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Problem 21

What is the area of the triangle formed by the lines 𝑦=5,𝑦=1+𝑥,and 𝑦=1−𝑥 ?

$\textbf{(A) }4\qquad\textbf{(B) }8\qquad\textbf{(C) }10\qquad\textbf{(D) }12\qquad\textbf{(E) }16$

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