Предмет: Математика, автор: Аноним

пж помогите решить задач

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Автор ответа: PetiaLox

1

Сторона не закрашенной равна 4х, а тк сказано, что х = 5,то сторона равна 20. Площадь равняется 20*20=400. Площадь закрашенной равно 10*5*8*5= 2000

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