Tell the jokes using reported speech. Voice on phone: John Smith is ill and can't attend classes today. He requested me to notify you. Teacher: All right. Who is this speaking?

Стороны обозначим за х по т. Пифагора все углы 60 градусов из х2+х2=144 2х2=144. Х2=72 х=корень из 72 отсюда площадь круга равна 72