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dau coroana pls am nevoie acum

Dau Coroana Pls Am Nevoie Acum class=

Răspuns :

a) Ad1 = 1,5 · 2 = 3 m²
    Ad2 = 1 · 3 = 3 m² ⇒ A = 3 + 3 = 6 m²

b) Ad1 = 2,5 · 0,6 = 1,44 m²
    Ad2 = 1,8 · 0.6 = 1,08 m²
    Ad3 = 1,2 · 0.6 = 0,72 m²
    Ad4 = 0.6 · 0.6 = 0.36 m² ⇒ A = 1,44 + 1,08 + 0,72 + 0,36 = 3,6 m²