Предмет: Геометрия, автор: sonyaberr88

За решение дам 50 баллов. Решить надо срочно!
Задан равнобедренный треугольник abc с основанием ac=32 см. Отрезок BK биссектриса, угол abk=60°. Найдите kc, угол abc и угол bka.
Решите с объяснением , пожалуйста !

Ответы

Автор ответа: vlazhniyanus

Ответ:

kc-16 abc-120 BKA-90

Объяснение:

бисектриса делит угол пополам, значит 60*2=120= угол аbc

бисектриса равнобедонного треугольника проведенная на основу является его медианой и высотой

медиана делит основу пополам 32:2=16 см=KC

высота образует угол 90 градусов значит BKA=90

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