Formulele elementelor poligoanelor regulate Flashcards

1
Q

unghiul unui poligon regulat cu n laturi

A

((n-2)*180)/n

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2
Q

latura unui poligon regulat cu n laturi

A

2Rsin(180/n)

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3
Q

apotema unui poligon regulat cu n laturi

A

Rcos(180/n)

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4
Q

perimetrul unui poligon regulat cu n laturi

A

n*l
2nRsin 180/n

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5
Q

aria unui poligon regulat cu n laturi

A

A = (n * R^2 * sin(180°/n) * cos(180°/n))

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6
Q

l_3 (latura unui poligon regulat cu 3 laturi)

A

R√3

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7
Q

l_4 (latura unui poligon regulat cu 4 laturi)

A

R√2

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8
Q

l_6 (latura unui poligon regulat cu 6 laturi)

A

R

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9
Q

a_3 (apotema unui poligon regulat cu 3 laturi)

A

R/2

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10
Q

a_4 (apotema unui poligon regulat cu 4 laturi)

A

(R√2)/2

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11
Q

a_6 (apotema unui poligon regulat cu 6 laturi)

A

(R√3)/3

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12
Q

P_3 (perimetrul unui poligon regulat cu 3 laturi)

A

3l
3R√3

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13
Q

P_4 (perimetrul unui poligon regulat cu 4 laturi)

A

4l
4R√2

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14
Q

P_6 (perimetrul unui poligon regulat cu 6 laturi)

A

6l
6R

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15
Q

A_3 (aria unui poligon regulat cu 3 laturi)

A

(l^2 √3)/4
(3R^2 √3)/4

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16
Q

A_4 (aria unui poligon regulat cu 4 laturi)

A

l^2
2R^2

17
Q

A_6 (aria unui poligon regulat cu 6 laturi)

A

(3l^2 √3)/2
(3R^2 √3)/2