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<p><span style="color: #000000;"><em><span style="font-weight: bold;">Es defineix la mitjana en un triangle com la recta que uneix un vèrtex al punt mitjà del costat oposat.</span></em></span></p> <p><span style="font-weight: bold; color: #003300;">En el triangle de vèrtex «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨12px¨»«mrow»«mi mathvariant=¨bold¨ mathcolor=¨#003300¨»A«/mi»«mfenced mathcolor=¨#003300¨»«mrow»«mo mathvariant=¨bold¨»#«/mo»«mi mathvariant=¨bold¨»a«/mi»«mn mathvariant=¨bold¨»1«/mn»«mo mathvariant=¨bold¨»,«/mo»«mo mathvariant=¨bold¨»#«/mo»«mi mathvariant=¨bold¨»a«/mi»«mn mathvariant=¨bold¨»2«/mn»«/mrow»«/mfenced»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»,«/mo»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»§#160;«/mo»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»§#160;«/mo»«mi mathvariant=¨bold¨ mathcolor=¨#003300¨»B«/mi»«mfenced mathcolor=¨#003300¨»«mrow»«mo mathvariant=¨bold¨»#«/mo»«mi mathvariant=¨bold¨»b«/mi»«mn mathvariant=¨bold¨»1«/mn»«mo mathvariant=¨bold¨»,«/mo»«mo mathvariant=¨bold¨»#«/mo»«mi mathvariant=¨bold¨»b«/mi»«mn mathvariant=¨bold¨»2«/mn»«/mrow»«/mfenced»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»,«/mo»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»§#160;«/mo»«mi mathvariant=¨bold¨ mathcolor=¨#003300¨»C«/mi»«mfenced mathcolor=¨#003300¨»«mrow»«mo mathvariant=¨bold¨»#«/mo»«mi mathvariant=¨bold¨»c«/mi»«mn mathvariant=¨bold¨»1«/mn»«mo mathvariant=¨bold¨»,«/mo»«mo mathvariant=¨bold¨»#«/mo»«mi mathvariant=¨bold¨»c«/mi»«mn mathvariant=¨bold¨»2«/mn»«/mrow»«/mfenced»«/mrow»«/mstyle»«/math», quina és l'equació explícita de la mitjana traçada des del vèrtex A?</span><br style="font-weight: bold; color: #006600;" /><br style="font-weight: bold; color: #006600;" /><br /><br /><br /></p>
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<p><span style="color: #003300;"><strong>Gràficament:</strong> </span>#G1</p>
No, case is unimportant
Yes, case must match
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Answer 1
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Answer 2
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Grade
None
100%
90%
83.33333%
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66.66667%
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33.33333%
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Hint 1
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<div style="text-align: justify;"> </div> <div style="text-align: justify;"><span style="color: #000080;"><strong>Es calcula el punt mitjà del segment BC: «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨12px¨»«mrow»«mo mathvariant=¨bold¨ mathcolor=¨#00007F¨»#«/mo»«mi mathvariant=¨bold¨ mathcolor=¨#00007F¨»M«/mi»«/mrow»«/mstyle»«/math»</strong></span></div> <div style="text-align: center;"> <div style="text-align: justify;"> <span style="color: #000080;"><strong>Un vector director de la mitjana és el vector que va de A a M :</strong></span> <strong> «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨12px¨»«mrow»«mo mathvariant=¨bold¨ mathcolor=¨#000066¨»#«/mo»«mi mathvariant=¨bold¨ mathcolor=¨#000066¨»vp«/mi»«/mrow»«/mstyle»«/math»</strong></div> <div style="text-align: justify;"> </div> <div style="text-align: justify;"><strong><span style="color: #000080;">Gràficament:</span> </strong>#G1</div> </div>
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Thursday, 23 August 2018, 4:19 PM
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