Предмет: Геометрия, автор: nexia9480

Помогите пожалуйста решить задачу по Геометрии

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Автор ответа: ludmilaksenija2005

Объяснение:

В равностороннем треугольнике углы по 60°.

∠ВМР=∠ВРМ=60°

∆МВР - равносторонний(МВ=ВР=МР)

∆АВС - равносторонний:

АВ=ВС=АС=Р(АВС):3=6 см

сторона параллелограмма отсекает равносторонний ∆NPC, где NP=PC=NC.

тогда:

NP=NC ; AC=AN+NC=AN+NP

P(AMPN)=2(AN+NP)=2•AC=2•18 =36 см

hdjd837388474747747h: Помоги https://znanija.com/task/53572549

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