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AMC (AIMO validation set) / https://artofproblemsolving.com/wiki/index.php/2023_AMC_12A_Problems/Problem_11 / What is the degree measure of the acute angle formed by lines with slopes 2 and (1)/(3)?

Problem

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problem

What is the degree measure of the acute angle formed by lines with slopes

2

and

\frac{1}{3}

Plain-text mathematical notation (without MathML)

What is the degree measure of the acute angle formed by lines with slopes 2 and (1)/(3)?

Original LaTeX notation

What is the degree measure of the acute angle formed by lines with slopes $2$ and $\frac{1}{3}$?

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Source and history

upstream_id / Original problem ID: https://artofproblemsolving.com/wiki/index.php/2023_AMC_12A_Problems/Problem_11
task_id: 7f3b1f80-ef36-504e-ae05-f4e4df0a0444
task_key: default--train--https~3a~2f~2fartofproblemsolving~2ecom~2fwiki~2findex~2ephp~2f2023~5fAMC~5f12A~5fProblems~2fProblem~5f11
task_revision_id: 2
config / split: default / train

Official source

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