Предмет: Геометрия, автор: svetaaa77

помогите номер 3,4............

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Ответы

Автор ответа: xxxeol

3.
КАС = КСА = (180 - 110)/2 = 70/2 = 35
ВАС = ВСА = 2*КАС = 35*2 = 70
АВС = 180 - (70+70) = 180 - 140 = 40 - ОТВЕТ
4.
МАВ = (180-120)/2 = 60/2 = 30
L(M) = MB/2 = 18/2 = 9
L(KM) = 26 - 9 = 17
ОТВЕТ С = 17

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