Un romb are lungimile diagonalelor egale cu 30cm si 4 dm , iar lungimea laturii sale egala cu 25cm. Calculati:
a)Aria rombului b) lungimea inaltimii rombului

Răspunsul a fost dat de: USER8845
30 Agustus 2025 matematica 5 minute
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Clasă: Education Materie: matematica
Un romb are lungimile diagonalelor egale cu 30cm si 4 dm , iar lungimea laturii sale egala cu 25cm. Calculati:
a)Aria rombului b) lungimea inaltimii rombului
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Cel mai bun răspuns
(102)
4 dm=40 cm
Aromb=d₁×d₂/2=30×40/2=600 cm²
Aromb=L×h=25×h=600 cm²  h=600/25=24 cm

Răspunsul a fost dat în data 30 Agustus 2025
(176)
A=D*d supra 2 sau h*b
A=30cm ori 40 cm supra 2
A=1200 supra 2
A =600 cm patrati
A =60dm patrati
A=h*b
h=A supra b
h=600cm:25cm
h=24 cm
Răspunsul a fost dat în data 30 Agustus 2025

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