Предмет: Геометрия, автор: Lesya98lesya

СРОЧНО.! пожалуйста!!!Привет, мне нужна помощь с домашней работой. Мое домашнее задание во вложениях.

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Ответы

Автор ответа: Света19999
0

1)cosa = BC/BD = BC/16 ⇒ BC  = 16cosa

2)BE = √BD² + DE² = 15⇒PM  = BE/2 = 7,5

 3) AB = 2BH так как катет лежащий против угла в 30 градусов равен половине гипотенузы ⇒ AB = 20

AH = √AB² - BH² = 10√3 ⇒ AC = 20√3

4)ΔMOC подобен ΔKCP по двум углам

MO/KP = CO/KC ⇒ CO = MO *KC/PK = 12 * 16/20 = 9,6

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