Предмет: Математика, автор: smargarita1546

629. Найдите площадь прямоугольника, используя формулу для вычисле-
ния его площади. а) а = 9 м, b = 6 м;
б) а = 880 см, b = 12 дм;
в) а = 220 см, b = 12 дм; г) а = 770 м, b = 35 дм.
138 ​

Ответы

Автор ответа: PsychoH
2

S=a*b

а) 9*6=54 м²

б) 10 см = 1 дм.     88*12=1056 дм²

в) 10 см = 1 дм.     22*12=264 дм²

г) 10 дм = 1 м.        770*3,5=2695 м²


anvarhudayarov: спасибо
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