Page 38 - Merkheft

2.9. KREISBOGEN UND KREISAUSSCHNITT

1 1
As = ∙ A → ∙ πr² b = ∙ u → 360° ∙ 2πr
4
4 360°

1 ∙ πr² 1
As = ∙ A → 360° b = ∙ u → 360° ∙ 2πr
2
2

3
3
As = ∙ A → ∙ πr² b = ∙ u → ∙ 2πr
4 360° 4 360°

2
As = 360° ∙ πr b = 180° ∙ πr

r=3 cm  α=58° As=8,3 cm²α=60° b=6,98 mr=2,6 m r=12 mAs=56,5 m²
As=? b=? r=? b=? α=? As=? α=? b=?

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