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| Gebruikte formules |
j = 1/2 * √ 4c² - ( a - b )²
α = arccos{ [ ((a-b)/2)² + c² - j² ] / [ (a-b) * c ] }
i = √ b²/4 / [ 2 / ( 1 - cos α ) - 1 ]
h = i + j
l = i * 2α / ( 1 - cos α )
p = a + 2c + l
A = √ ( a + b )² * ( a - b + 2c ) * ( b - a + 2c )
/ 4 + l² / ( 4 α ) - b * [ l / ( 2 α ) - i ] / 2
(α in radians) |
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