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<p> <strong><span style="color: #003300; font-size: small;">Els dos triangles són semblants.</span></strong></p> <p><strong><span style="color: #003300; font-size: small;">Els costats mesuren: </span></strong><strong><span style="color: #003300; font-size: small;">a=#a, b = #b, </span></strong><strong><span style="color: #003300; font-size: small;">d = #d i f = #f</span></strong></p> <table style="background-color: #ffffcc; background-image: none; color: #0000ff; border-color: #ffcc00; float: none; text-align: center; vertical-align: top; border-style: solid; border-width: 3px; width: 312px; height: 145px;" border="3" frame="box" rules="all"> <tbody> <tr> <td align="center" valign="top" width="50%"><img 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/></td> </tr> </tbody> </table> <p> </p> <p><strong><span style="color: #003300; font-size: small;">Calcula: </span></strong></p> <p><strong><span style="color: #003300; font-size: small;">a) la proporció (raó de semblança) entre el triangle gran i el petit.<br /></span></strong></p> <p><strong><span style="color: #003300; font-size: small;">b) c</span></strong></p> <p><strong><span style="color: #003300; font-size: small;">c) e</span></strong></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><span style="color: #006600;"><strong>Primer calculem la raó d/a = #r_1 que ens dona la proporció entre el triangle gran i el triangle petit (el triangle gran és #r_1 vegades més gran que el petit). <br />Com que són semblants, <br />per calcular c (en el petit), dividim f = #f (del gran)per #r_1;<br />per calcular e (del gran), multipliquem b = #b (del petit) per #r_1</strong></span></p>
Hint 2
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Thursday, 23 August 2018, 4:17 PM
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