Home
О нас
Products
Services
Регистрация
Войти
Поиск
atm4ik
@atm4ik
July 2022
1
4
Report
Помогите плиз №467 и 473
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
467
R=1/2*AC=1/2*√(AB²+BC²)=1/2*√(16+9)=1/2*√25=1/2*5=5/2
Sш=4πR²=4π*25/4=25π
473
KD=(AD-BC)/2=(8-2)/2=3
AB=CD=KD/tg<D=3:1/2=6
<A=<D
BD²=AB²+AD²-2AB*AD*cosA=36+64-2*6*8*1/2=100-48=52
BD=2√13
S(ABD)=1/2*AB*AD*sinA=1/2*6*8*√3/2=12√3
R=AB*AD*BD/4S=6*4√13*8/4*12√3=4√39/3
S=4πR²=4π*16*39/9=2496π/9=277 1/3π
0 votes
Thanks 0
More Questions From This User
See All
atm4ik
August 2022 | 0 Ответы
podskazhite kak vyglyadit eta figura
Answer
atm4ik
July 2022 | 0 Ответы
pomogite pozhalujsta 452 i 455
Answer
atm4ik
September 2021 | 0 Ответы
pomogite pozhalujsta reshit67b22f5f1810b6e024b5953a1e24ef31 75647
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 "Помогите плиз №467 и 473..."
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
467R=1/2*AC=1/2*√(AB²+BC²)=1/2*√(16+9)=1/2*√25=1/2*5=5/2
Sш=4πR²=4π*25/4=25π
473
KD=(AD-BC)/2=(8-2)/2=3
AB=CD=KD/tg<D=3:1/2=6
<A=<D
BD²=AB²+AD²-2AB*AD*cosA=36+64-2*6*8*1/2=100-48=52
BD=2√13
S(ABD)=1/2*AB*AD*sinA=1/2*6*8*√3/2=12√3
R=AB*AD*BD/4S=6*4√13*8/4*12√3=4√39/3
S=4πR²=4π*16*39/9=2496π/9=277 1/3π