Предмет: Геометрия, автор: Icicle666

На одной стороне угла MON отложены отрезки OA и OB, а на другой - OC и OD, причем OA=OC и OB=OD.
a) Используя осевую симметрию, докажите, что точка пересечения отрезков BC и AD лежит на биссектрисе угла MON.
б) Вычислите расстояние между точками B и D, если угол MON = 6 см, OB = 3 • OA.

"Только письменный вид"

terepanatalia: б) угол MON=6см?

Icicle666: да

Icicle666: если угол MON = 6 см

Icicle666: сори

Icicle666: если угол MON = 60 нрадусов

Icicle666: б) Вычислите расстояние между точками B и D, если угол MON = 60 градусов, OA = 6 см, OB = 3 • OA.

Ответы

Автор ответа: terepanatalia

б)ОВ=3ОА=3*6=18 тк угол MON = 60 , то угол ВОР=30 треугольник ВОР прямоугольный где ОВ гипотенуза следовательно ВР=ОВ/2= 18/2=9 ВД=2ВР=9*2=18

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