Предмет: Геометрия, автор: fkddkjd

допоможіть!будь ласка

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Автор ответа: zinovicgrigorij

Ответ: 156°

Объяснение:

∠АОС=2∠АВС=78*2=156°

Автор ответа: LN330068

Ответ:Угол АВС называется вписанным,и если вписанный угол и центральный угол(<АОС) опираются на одну дугу,то центральный угол равен градусной мере этой дуги,а вписанный угол равен половине градусной меры дуги

<АВС=78:2=39 градусов

К сожалению,моего ответа в ответах нет,но он верный

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