Vreau si eu problema asta repede(dau coroana)
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Răspuns:
Explicație pas cu pas:
BC=36 m, AB=AC=30 m
AD⊥BC AD=24 m
a)A=AD×BC/2=36×24/2=36×12=432 m²
b) BE⊥AC A=BE×AC/2 =432 BE×30=432×2 ⇒BE=432×2/30=28,8 m