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Points . If the length of is 3 cm and the length of is 4 cm, the radius of the circle in cm measures

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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.

Points <em A</em>, <em B</em>, and <em C</em> lie on a circle. The center of the circle is the midpoint of <img alt='images' src='https://www.fatskills.com/images2/ACT/eq02450.png'/><!--<m:math display='inline' overflow='scroll' xmlns:m='http://www.w3.org/1998/Math/MathML'><m:mrow><m:mover accent='true'><m:mrow><m:mi>A</m:mi><m:mi>C</m:mi></m:mrow><m:mo stretchy='true'>¯</m:mo></m:mover></m:mrow></m:math>-->. If the length of <img alt='images' src='https://www.fatskills.com/images2/ACT/eq02451.png'/><!--<m:math display='inline' overflow='scroll' xmlns:m='http://www.w3.org/1998/Math/MathML'><m:mrow><m:mover accent='true'><m:mrow><m:mi>A</m:mi><m:mi>B</m:mi></m:mrow><m:mo stretchy='true'>¯</m:mo></m:mover></m:mrow></m:math>--> is 3 cm and the length of <img alt='images' src='https://www.fatskills.com/images2/ACT/eq02452.png'/><!--<m:math display='inline' overflow='scroll' xmlns:m='http://www.w3.org/1998/Math/MathML'><m:mrow><m:mover accent='true'><m:mrow><m:mi>B</m:mi><m:mi>C</m:mi></m:mrow><m:mo stretchy='true'>¯</m:mo></m:mover></m:mrow></m:math>--> is 4 cm, the radius of the circle in cm measures






 
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