Математика, опубликовано 07.06.2020 02:04

Сторони трикутника відповідно дорівнюють 5, 8, і 10 см.

Знайди:

1. Косинус найменшого кута трикутника.

2. Градусну міру найменшого кута, використовуючи калькулятор.

Capture.JPG

1. Округли до тисячних (0,001):

cos C=

2. Округли до цілих мин осталось

Ответы

Ответ оставил: Гость

rrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrtgrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrответ:fr

Пошаговое объяснение:

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Ответ оставил: Гость

2 2/3x = 3 1/21 + 1 5/7
2 2/3x = 3 1/21 + 1 15/21
2 2/3x = 4 16/21
x = 4 16/21 : 2 2/3
x = 100/21 * 3/8
x = 25/14
x = 1 11/14

Ответ оставил: Гость

Х=35+64+16 х=115 115-35-64=16 всё это в столбик

Ответ оставил: Гость

АЕ = AD + 10 = 29 + 10 = 39 см
DE = 87 - (AD + AE) = 87 - (29 + 39) = 19 см

Ответ: 19 см

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✅ Ответов: 2 на вопрос по математике: Сторони трикутника відповідно дорівнюють 5, 8, і 10 см. Знайди: 1. Косинус найменшого кута трикутника. 2. Градусну міру найменшого кута, використовуючи калькулятор. Capture.JPG 1. Округли до тисячних (0,001): cos C= 2. Округли до цілих мин осталось... ты найдешь на сайте. Также ты можешь добавить свой вариант ответа, если считаешь, что он не верен или твой ответ более полный. Пожалуйста, добавляй только правильные ответы.

Вопрос от: alenkaabramovic

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