terema sinusurilor si cosunusirol + aria, raza si formula medianei Flashcards

1
Q

Teorema sinusurilor

A

a/sinA = b/sinB = c/sinC =2R

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2
Q

Teorema cosinusirol

A

a^2=b^2 + c^2 - 2bc * cos A

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3
Q

p(semiperimetrul)

A

a+b+c/2

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4
Q

Aria triunghiului 1

A

S=b*h/2

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5
Q

Aria triunghiului 2

A

S=bcsinA/2

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6
Q

Aria triunghiului 3

A

S=c^2 * sin A * sin B/2sin C

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7
Q

Aria triunghiului 4

A

S=a * b * c/4R

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8
Q

Aria triunghiurilor 5

A

S= p * r

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9
Q

Raza cercului circumscris

A

R= a * b * c/4S

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10
Q

Raza cercului inscris

A

r= S/p

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