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Todas as categorias

4 respostas

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Área do losango = (D×d)/2

A=(D x d)/2.
40 = (D x 12)/2
80=D x12
D= 80/12
D=6,6666666 m
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hum...a diagonal maior deu menor que a diagonal menor!
Acho que ha erro na formulacao da pergunta.

2006-11-13 14:42:46 · answer #1 · answered by Carlos M 7 · 1 0

A=(D*d)/2

40=12d/2

d=6,666 m

2006-11-14 00:46:13 · answer #2 · answered by Luiz S 7 · 0 0

S = (D x d) : 2
40 = (D x 12) : 2
40 x 2 = 12D
80 = 12D
D = 80 : 12
D =~ aprox 6,6 (Resposta)
::

2006-11-13 14:53:16 · answer #3 · answered by aeiou 7 · 0 0

24 DEVE SER.

2006-11-13 14:45:30 · answer #4 · answered by j?s 6 · 0 2

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