O Rio de Janeiro se prepara para a Copa do Mundo de Futebol. Reformas foram realizadas nas instalações de vários estádios que abrigarão os jogos desse evento. A última novidade foi à instalação de telões de alta tecnologia no estádio do Maracanã - RJ.
Com 98 cm² de área e sabendo que uma de suas laterais medem 4 raiz de 7 metros, quanto medirá a outra lateral desse painel?
a) 7 raiz de 7 dividido por 2
b) 9 raiz de 7 dividido por 2
c) 11 raiz de 7 dividido por 2
d) 17 raiz de 7 dividido por 2
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