Предмет: Геометрия, автор: hdfyf

помогите с геометрией пж незабудьте написать дано и решение

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Ответы

Автор ответа: NNNLLL54

1

Ответ: ∠А=70° .

Дано: ΔАВС , АВ=ВС , ∠В=55° .

Найти: ∠А .

Углы при основании равнобедренного треугольника равны по 55° , в сумме дадут 110° .

Сумма углов в треугольнике равна 180°, значит

∠А=180°-110°=70°

hdfyf: спасибо

NNNLLL54: кноаки "спасибо" наэимай

hdfyf: нажал

hdfyf: а можно дано

hdfyf: просто дано

hdfyf: огромное спасибо!!

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