Poligoane regulate

Poligoane regulate

7th Grade

10 Qs

quiz-placeholder

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Poligoane regulate

Poligoane regulate

Assessment

Quiz

Mathematics

7th Grade

Practice Problem

Hard

Created by

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Calculaţi raza cercului circumscris triunghiului echilateral de latură 3 cm.

3 cm

3\sqrt{3} cm

2 3\sqrt{3} cm

3 3\sqrt{3}

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Calculaţi raza cercului circumscris triunghiului echilateral de arie 9

 3\sqrt{3}   cm2cm^2  

 3\sqrt{3}  

 3\sqrt{3}  

 3\sqrt{3}  

 2\sqrt{2}  

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Să se afle raza cercului în care este înscris un triunghi echilateral care are ria 25 \sqrt{3}   cm2cm^2  

 533\frac{5\sqrt{3}}{3}  

 10310\sqrt{3}  

 1033\frac{10\sqrt{3}}{3}  

 1023\frac{10\sqrt{2}}{3}  

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Calculaţi aria pătratului înscris în cercul de rază 5 cm.

30 cm230\ cm^2

25 cm225\ cm^2

40 cm240\ cm^2

50 cm250\ cm^2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Să se afle raza cercului circumscris pătratului cu apotema de 2 cm.

222\sqrt{2}

232\sqrt{3}

323\sqrt{2}

2\sqrt{2}

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Aflaţi aria pătratului cu latura egală cu latura hexagonului regulat înscris în cercul de rază 6 m.

32 cm232\ cm^2

36 cm236\ cm^2

42 cm242\ cm^2

72 cm272\ cm^2

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Aflaţi raza cercului circumscris hexagonului regulat de apotemă 3\sqrt{3}  cm.

3 cm

6 cm

12 cm

4 cm

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