Home
О нас
Products
Services
Регистрация
Войти
Поиск
DashaSuslova202
@DashaSuslova202
July 2022
1
6
Report
С помощью теоремы синусов, теоремы косинусов и таблицы Брадиса решите треугольник ABC.
a=100, b=300, c=220
угол A=___
угол B=____
угол C=____
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
sedinalana
Verified answer
A/sina=b/sinb=c/sinc
cosA=(b²+c²-a²)/2bc
cosB=(a²+c²-b²)/2ac
cosC=(a²+b²-c²)/2ab
cosA=(90000+48400-10000)/(2*300*220)=128400/132000=0,9727
<A≈13гр
cosB=(10000+48400-90000)/(2*100*220)=-31600/44000=-0,7182
<B=180-44≈136гр
<C=180-(<A+<B)=180-(13+136)=180-149=31
3 votes
Thanks 1
More Questions From This User
See All
DashaSuslova202
August 2022 | 0 Ответы
ukazhite uravnenie izobrazhennoj okruzhnosti
Answer
DashaSuslova202
August 2022 | 0 Ответы
reshite graficheski sistemu uravnenij x2y225 x 2y50 v kakih tochkah perese
Answer
DashaSuslova202
August 2022 | 0 Ответы
zadanie 5 najdite ploshad zashtrihovannoj figury
Answer
DashaSuslova202
August 2022 | 0 Ответы
dana arifmeticheskaya progressiya cn 6 1 4 9 najdite nomer chlena ravnog
Answer
DashaSuslova202
August 2022 | 0 Ответы
srochno 1 zapishite uravnenie okruzhnosti s centrom v tochke m i radiusom r gde m
Answer
DashaSuslova202
August 2022 | 0 Ответы
nachertite okruzhnosti zadannye uravneniyami x 42y24 x2y2152 x72y
Answer
DashaSuslova202
August 2022 | 0 Ответы
reshite sistemu neravenstv56eaed092ca701be2b2c4e1a7ee702b9 12877
Answer
DashaSuslova202
August 2022 | 0 Ответы
ukazhite vse celye resheniya sistemy neravenstv
Answer
DashaSuslova202
August 2022 | 0 Ответы
reshite neravenstva eto srochno mne tolko vtoroe tablicu ne nuzhno
Answer
DashaSuslova202
August 2022 | 0 Ответы
najdite raznost mezhdu chetvertym i tretim chlenami
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 "С помощью теоремы синусов, теоремы косинусов и таблицы Брадиса решите треугольни..."
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 © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Verified answer
A/sina=b/sinb=c/sinccosA=(b²+c²-a²)/2bc
cosB=(a²+c²-b²)/2ac
cosC=(a²+b²-c²)/2ab
cosA=(90000+48400-10000)/(2*300*220)=128400/132000=0,9727
<A≈13гр
cosB=(10000+48400-90000)/(2*100*220)=-31600/44000=-0,7182
<B=180-44≈136гр
<C=180-(<A+<B)=180-(13+136)=180-149=31