Правильні многокутники Flashcards

1
Q

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Сума кутів правильного многокутника

A

180(n-2)

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2
Q

Кут правильного многокутника

A

180(n-2)/n

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3
Q

R=

A

2r

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4
Q

R=

A

an/2 sin 180/n

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5
Q

r=

A

an/2 tg 180/n

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6
Q

a=

A

360/n

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7
Q

висота ріностороннього трикутника h3=

A

a3 корінь з 3/2

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8
Q

сторона квадрата дорівнює

A

d/ корінь з 2

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