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In the figure below, is 4 times that of . What is the measure of ?

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The ACT Mathematics Test contains 60 questions to be answered in 60 minutes.  The hardest ACT math questions (the last 10 to 15 questions) fall into two types: advanced concepts and complex questions. Advanced concepts questions cover what you learn in precalculus and trigonometry. FYI: Students that get into Harvard College have an ACT score of 34–36.

In the figure below, <em A</em>, <em B</em>, and <em C</em> are collinear. The measure of <img alt='images' src='https://www.fatskills.com/images2/ACT/eq02678.png'/><!--<m:math display='inline' overflow='scroll' xmlns:m='http://www.w3.org/1998/Math/MathML'><m:mrow><m:mo>∠</m:mo><m:mi>A</m:mi><m:mi>B</m:mi><m:mi>D</m:mi></m:mrow></m:math>--> is 4 times that of <img alt='images' src='https://www.fatskills.com/images2/ACT/eq02679.png'/><!--<m:math display='inline' overflow='scroll' xmlns:m='http://www.w3.org/1998/Math/MathML'><m:mrow><m:mo>∠</m:mo><m:mi>D</m:mi><m:mi>B</m:mi><m:mi>C</m:mi></m:mrow></m:math>-->. What is the measure of <img alt='images' src='https://www.fatskills.com/images2/ACT/eq02680.png'/><!--<m:math display='inline' overflow='scroll' xmlns:m='http://www.w3.org/1998/Math/MathML'><m:mrow><m:mo>∠</m:mo><m:mi>A</m:mi><m:mi>B</m:mi><m:mi>D</m:mi></m:mrow></m:math>-->?<br><img alt='image' src='https://www.fatskills.com/images2/ACT/9781119275435-fg0265.png' />






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