Автор - penzevakate

Сроооочно задачи решите пж

Ответ

Автор - vizhur2

Ответ:

Объяснение:

6.4

tg B = AC/BC => 0.3 = 3.3 / BC =>BC = 3.3 / 0.3 = 11

6.5

cos B = BC/AB =>BC= cos B x AB => BC = 0.75 x 3 = 2.25

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