Предмет: Геометрия, автор: fortnajtfortnajt885

ABCD - трапеция (AD|| BC), уголA=70°, уголD= 40°. Тогда
разность 20-2B равна:
а) 20.
б) 30°; в) 10°; г) 110°. Пж​

Ответы

Автор ответа: rajhanpernebekova8
3

Ответ:

30°

Объяснение:

если не правильно прости

fortnajtfortnajt885: спс
mariavedernikova753: а почему 30
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