Предмет: Геометрия, автор: boeva

вычислить величину каждого из смежных углов, если один из них на 40% больше другого

Ответы

Автор ответа: Milli205

a+b=180

a=x b=x+0.4x=1.4x 40%=04

x+1.4x=180

2.4x=180

x=75 один угол a

b=180-75=105

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