Вопрос школьника по предмету Математика
ПОМОГИТЕ ПОЖАЛУЙСТА СРОЧНО Выразите через а и п длину линии, состоящей из трёх полуокружностей, если расстояния АО и ОВ равны а.
Ответ учителя по предмету Математика
Длина большей полуокружности=2π*а/2=π*а
Сумма 2-х малых полуокружностей =2*π*а/2=π*а
Длина всей линии = π*а+π*а = 2π*а
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