
Polygones réguliers
Authored by Nadyne Doucet
Mathematics
8th Grade
CCSS covered
Used 86+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Complète l'égalité suivante: 91,23mm2 = _______ dm2.
0,9123 dm2
9123 dm2
0,009123 dm2
912300 dm2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Complète l'égalité suivante: 34,5 hm = _______ m.
0,345 m
3,45 m
345 m
3450 m
Tags
CCSS.5.MD.A.1
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Comment se nomme le polygone régulier dont la somme des angles intérieurs est de 900°.
Heptagone
Hendécagone
Octogone
Ennéagone
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Quelle est la mesure d'un angle intérieur d'un hendécagone?
1 620°
140°
147,27°
1 260°
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Calcule l'aire du polygone suivant.
4 914 hm2
491,4 hm2
2 457 hm2
3 033,45 hm2
6.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Le périmètre d'un hendécagone régulier est de 49,5 cm. Sachant que son apothème est de 65,4 mm, calcule l'aire de ce polygone.
16 186,5 mm2
32 373 mm2
161,865 cm2
328,73 cm2
1 618.65 cm2
7.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Quelle est l'aire d'un heptagone régulier dont la mesure de l'un des côtés est de 5 cm et dont l'apothème est de 52 mm?
91 cm2
910 cm2
910 mm2
9100 mm2
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