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<p><span style="color: #003300;"><strong>Quin és radi d'un polígon regular de «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨12px¨»«mrow»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»#«/mo»«mi mathvariant=¨bold¨ mathcolor=¨#003300¨»n«/mi»«/mrow»«/mstyle»«/math» costats si el costat fa «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨12px¨»«mrow»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»#«/mo»«mi mathvariant=¨bold¨ mathcolor=¨#003300¨»c«/mi»«/mrow»«/mstyle»«/math» cm?</strong></span></p> <p><span style="color: #ff6600;"><strong>Format:</strong> </span>als mil·lèsims i sense unitat<br /><br />#g<br /><br /><br /></p>
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Answer 1
Answer
Grade
None
100%
90%
83.33333%
80%
75%
70%
66.66667%
60%
50%
40%
33.33333%
30%
25%
20%
16.66667%
14.28571%
12.5%
11.11111%
10%
5%
Feedback
Answer 2
Answer
Grade
None
100%
90%
83.33333%
80%
75%
70%
66.66667%
60%
50%
40%
33.33333%
30%
25%
20%
16.66667%
14.28571%
12.5%
11.11111%
10%
5%
Feedback
Settings for multiple tries
Penalty for each incorrect try
100%
50%
33.33333%
25%
20%
10%
0%
Hint 1
Hint text
<p style="text-align: justify;"><span style="color: #000080;"><strong>Divideix el polígon en triangles isòsceles, i cada triangle en dos triangles rectangles, traçant la seva altura. </strong></span></p> <p style="text-align: justify;"><span style="color: #000080;"><strong>Ara ja pots calcular el radi en funció de la meitat del costat; els angles es dedueixen del fet que l'angle desigual del triangle isòsceles és 360º / #n</strong></span></p>
Hint 2
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Created
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Thursday, 23 August 2018, 4:17 PM
Last saved
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on
Thursday, 23 August 2018, 4:17 PM
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