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Ma puteti ajuta,va rog??Poza

Ma Puteti Ajutava RogPoza class=

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[tex]A_{MNRP}=A_{MNP}-A_{RNP}= \frac{NP\cdot MQ}{2} - \frac{NP\cdot RQ}{2}=\\ = \frac{NP(MQ-RQ)}{2} = \frac{NP\cdot MR}{2} = \frac{12,5\cdot8}{2} =12,5\cdot4=50\ cm^2[/tex]