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Tetraedrul regulat

Authored by Carmen Chicosu

Mathematics

8th Grade

Used 16+ times

Tetraedrul regulat
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Fețele laterale ale unui tetraedru regulat sunt

triunghiuri dreptunghice

triunghiuri isoscele

triunghiuri echilaterale

triunghiuri oarecare

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Aria bazei unui tetraedru regulat cu muchia de lungime 6 cm este

36336\sqrt{3}

939\sqrt{3}

636\sqrt{3}

12312\sqrt{3}

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Aria laterală a tetraedrului regulat cu muchia egală cu l este

l234\frac{l^2\sqrt{3}}{4}

4l2344\frac{l^2\sqrt{3}}{4}

3l2343\frac{l^2\sqrt{3}}{4}

l23l^2\sqrt{3}

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Aria laterala a unui tetraedru cu muchia de 6 cm este

27327\sqrt{3}

36336\sqrt{3}

36

27

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Aria totală a tetraedrului regulat cu muchia egală cu l este

3l234\frac{3l^2\sqrt{3}}{4}

l23l^2\sqrt{3}

l234\frac{l^2\sqrt{3}}{4}

4l233\frac{4l^2\sqrt{3}}{3}

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Aria totală a unui tetraedru cu muchia egală cu 6 cm este

36

36336\sqrt{3}

18

3634\frac{36\sqrt{3}}{4}

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Volumul tetraedrului regulat cu muchia de lungime l este

AbhA_b\cdot h

Abh2\frac{A_b\cdot h}{2}

Abh3\frac{A_b\cdot h}{3}

Abh4\frac{A_b\cdot h}{4}

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