Va rog frumos dau coroana mulțumesc anticipat va implorrr e urgenttttt chiar am nevoie urgent
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Explicație pas cu pas:
a) Adef=b×h/2
42cm2=df×ep/2
12×ep/2=42cm2
6×ep=42 cm2
ep=7cm
b) Adef=b×h/2
Adef=df×ep/2
48cm2=16×ep/2
48cm2= 8×ep
ep=6cm