Home
О нас
Products
Services
Регистрация
Войти
Поиск
kobzarenko99
@kobzarenko99
July 2022
1
17
Report
Сделать срочно 2-4 даю 20 балов
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
oganesbagoyan
Verified answer
2)
S(ABCD) =2*S(ABC) =2*(AC*BN)/2 =AC*BN .
Из прямоугольного ΔABC :
BN² =AN*NC =AN*(NK+KC) =AN*(AN+KC
) =x(x +9). ||AN =x||.
* * *
ΔANB =ΔCKD ⇒
AN =KC * * *
6
² =x(x+9)⇔x² +9x -36 =0 ⇒ [x = -12(не решения задачи); x=3.
S(ABCD) =AC*BN =(3+9+3)*6 =90
.
-------
3)
6 м = 60 дм ; 6,3 м =63
дм. * * * (60:3 =20 ; 63: 3 =21) * * *
3*3*n =60*63⇒n = 60*7 = 420.
-------
4)
S(ABCD) =(AB+DC)/2 *h =(2+5)/2 *5 =(7*5)/2 =35/2 =17,5.
1 votes
Thanks 1
More Questions From This User
See All
kobzarenko99
August 2022 | 0 Ответы
napisati rivnyannya himichnih reakcij sho harakterizuyut himichni vlastivosti oksidu
Answer
kobzarenko99
August 2022 | 0 Ответы
yak u pobuti chastkovo pomyakshuyut zhorstku vodu a ne zastosovuyuchi himichnih reakt
Answer
kobzarenko99
August 2022 | 0 Ответы
sdelat srochno 8 i 9 zadanie dayu za nih 30 balov
Answer
kobzarenko99
August 2022 | 0 Ответы
zdelat primer srochno dayu 20 balov primer vozom slovo dz
Answer
kobzarenko99
July 2022 | 0 Ответы
nazvati dva tri sposobi usunennya karbonatnoyi zhorstkosti vidpovid poyasniti rivn
Answer
kobzarenko99
July 2022 | 0 Ответы
sdelat srochno 5 7 dayu 25 balov
Answer
kobzarenko99
July 2022 | 0 Ответы
23 v stepeny h 2 3 v stepeny h 1b0f45957d1ff9bcf8f97893e28ae3fc0 47779
Answer
kobzarenko99
July 2022 | 0 Ответы
10 srochno pliz nado dayu 23 bala
Answer
kobzarenko99
July 2022 | 0 Ответы
3 v stepeny 3
Answer
kobzarenko99
July 2022 | 0 Ответы
9 vopros pomogite pliz818422a0bcebe264bcb3507e7df24221 51164
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 "Сделать срочно 2-4 даю 20 балов..."
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
Verified answer
2)S(ABCD) =2*S(ABC) =2*(AC*BN)/2 =AC*BN .
Из прямоугольного ΔABC :
BN² =AN*NC =AN*(NK+KC) =AN*(AN+KC) =x(x +9). ||AN =x||.
* * * ΔANB =ΔCKD ⇒ AN =KC * * *
6² =x(x+9)⇔x² +9x -36 =0 ⇒ [x = -12(не решения задачи); x=3.
S(ABCD) =AC*BN =(3+9+3)*6 =90.
-------
3)
6 м = 60 дм ; 6,3 м =63 дм. * * * (60:3 =20 ; 63: 3 =21) * * *
3*3*n =60*63⇒n = 60*7 = 420.
-------
4)
S(ABCD) =(AB+DC)/2 *h =(2+5)/2 *5 =(7*5)/2 =35/2 =17,5.