Предмет: Геометрия, автор: Богдан95468

AD диаметр окружности с центром O. Найти угол BAD, если угол CDA = 50°, угол BKC = 20°

Ответы

Автор ответа: permenev06

r=a/2

r - радиус вписанной окружности

a - сторона квадрата

r=16/2=8 см

S=πR²

S - площадь

R - радиус окружности

S=π8²=64π или 201,06 см

Автор ответа: Богдан95468

что ты написал?

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