Home
О нас
Products
Services
Регистрация
Войти
Поиск
YanaRomashkova
@YanaRomashkova
August 2022
1
16
Report
В треугольнике ABC AC=BC, AB=28, cosA=0,7. Найдите AC.
Please enter comments
Please enter your name.
Please enter the correct email address.
Agree to
terms of service
You must agree before submitting.
Send
Answers & Comments
Alfrol
Пусть AB=BC=X, тогда по теореме косинусов получаем:
28^2+x^2-2*0.7*x*28=x^2
28^2=2*0.7*28*x
x=20(см)
Ответ:AC=x=20(см)
1 votes
Thanks 2
More Questions From This User
See All
YanaRomashkova
August 2022 | 0 Ответы
287x198 2 v stepeni 8 umnozhit na 7 v stepeni x1 ravno 98
Answer
YanaRomashkova
August 2022 | 0 Ответы
reshite pozhalujsta uravnenie 287x198 2 v stepeni 8 umnozhit na 7 v stepeni x
Answer
YanaRomashkova
August 2022 | 0 Ответы
mobilnyj telefon stoil 2500 rublej cherez nekotoroe vremya cenu na etu model sn
Answer
YanaRomashkova
August 2022 | 0 Ответы
reshite uravnenie 287x198 2 v stepeni 8 umnozhit na 7 v stepeni x1 ravno 98
Answer
YanaRomashkova
November 2021 | 0 Ответы
storona cd parallelogramma abcd vdvoe bolshe storony bc tochka f seredina stor
Answer
рекомендуемые вопросы
rarrrrrrrr
August 2022 | 0 Ответы
o chem dolzhny pozabotitsya v pervuyu ochered vzroslye pri organizacionnom vyvoze n
danilarsentev
August 2022 | 0 Ответы
est dva stanka na kotoryh vypuskayut odinakovye zapchasti odin proizvodit a zapcha
myachina8
August 2022 | 0 Ответы
najti po grafiku otnoshenie v3v1 v otvetah napisano 9 no nuzhno reshenie
ydpmn7cn6w
August 2022 | 0 Ответы
Choose the correct preposition: 1.I am fond (out,of,from) literature. 2.where ar...
millermilena658
August 2022 | 0 Ответы
opredelite kak sozdavalas i kto sozdaval arabskoe gosudarstvo v kracii
MrZooM222
August 2022 | 0 Ответы
ch ajtmanov v rasskaze krasnoe yabloko ispolzuet metod rasskaz v rasskaze opi
timobila47
August 2022 | 0 Ответы
kakovo bylo naznachenie kazhdoj iz chastej vizantijskogo hrama pomogite pozhalujsta
ivanyyaremkiv
August 2022 | 0 Ответы
moment. 6....
pozhalujsta8b98a56c0152a07b8f4cbcd89aa2f01e 97513
sarvinozwakirjanova
August 2022 | 0 Ответы
pomogite pozhalusto pzha519d7eb8246a08ab0df06cc59e9dedb 6631
×
Report "В треугольнике ABC AC=BC, AB=28, cosA=0,7. Найдите AC..."
Your name
Email
Reason
-Select Reason-
Pornographic
Defamatory
Illegal/Unlawful
Spam
Other Terms Of Service Violation
File a copyright complaint
Description
Helpful Links
О нас
Политика конфиденциальности
Правила и условия
Copyright
Контакты
Helpful Social
Get monthly updates
Submit
Copyright © 2025 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
28^2+x^2-2*0.7*x*28=x^2
28^2=2*0.7*28*x
x=20(см)
Ответ:AC=x=20(см)