Home
О нас
Products
Services
Регистрация
Войти
Поиск
katusha2014dub
@katusha2014dub
September 2021
1
26
Report
По данным рисунка найдите площадь треугольника ABC.
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
crafting2000203
1)∠BCD=180-135-45°
2) в ΔBCD ∠CBD=90-45=45° => ΔBCD равнобедренный,BD=DC=√2
3) По теореме Пифагора:
BC=√(BD²+DC²)=√(2+2)=√4=2
4)BC=AC=2
5) SΔABC=(a*b*sin∠BCA)/2=(2*2*sin135)/2=2*(√2/2)=√2
3 votes
Thanks 6
More Questions From This User
See All
katusha2014dub
August 2022 | 0 Ответы
podberite odno slovo kotoroe obyasnyaet termin konstituciya i v yuridicheskoj id374d65638347ffdea12cc142ddae7bc 21717
Answer
katusha2014dub
July 2022 | 0 Ответы
sokratite drob pomogite pozhalujsta reshit
Answer
katusha2014dub
July 2022 | 0 Ответы
17iz privedyonnyh nizhe obektov vyberite teplovye dvigateli 1pushka2ruzhyo3
Answer
katusha2014dub
June 2022 | 0 Ответы
skolko litrov uglekislogo gaza co obrazuetsya pri sgoranii 20 litrov so
Answer
katusha2014dub
April 2022 | 0 Ответы
izvestno chto altb ukazhite ravenstvo kotoroe mozhet byt pravilnym a a b
Answer
katusha2014dub
October 2021 | 0 Ответы
paskalpomogite pozhalujsta peredelat programmu iz for v repeatvot kod
Answer
katusha2014dub
September 2021 | 0 Ответы
na risunke izobrazhyon romb abcd tochka o tochka peresecheniya ego diagonalej ac24
Answer
katusha2014dub
September 2021 | 0 Ответы
najdite ploshad zakrashennoj figury izobrazhyonnoj na risunke esli radius kruga r
Answer
katusha2014dub
September 2021 | 0 Ответы
pomogite pozhalujsta dayu 20 ballov na risunke izobrazhyon pryamougolnyj treugol
Answer
katusha2014dub
September 2021 | 0 Ответы
pomogite pozhalujsta reshite sistemu uravnenij xy18 x y
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 "По данным рисунка найдите площадь треугольника ABC..."
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
2) в ΔBCD ∠CBD=90-45=45° => ΔBCD равнобедренный,BD=DC=√2
3) По теореме Пифагора:
BC=√(BD²+DC²)=√(2+2)=√4=2
4)BC=AC=2
5) SΔABC=(a*b*sin∠BCA)/2=(2*2*sin135)/2=2*(√2/2)=√2