-
В трапеции с меньшим основанием bc=8 через точку проведена прямая, параллельная , пересекающая в точке . Известно, что периметр треугольника равен . Найдите периметр трапеции.
-
Предмет:
Математика -
Автор:
abigailcyfw - 5 лет назад
-
Ответы 1
-
Трапеция АВСD
ВВ1СD -параллелограмм (противоположные стороны папаллельны.
В1А=СD В1В=АD-ВС=АD-8
АD-8+АВ+СD=18
АD+ВС+АВ+СВ =18+8+8=34
Ответ: 34
-
Автор:
micaelatkt6 - 5 лет назад
-
0
-
-
Добавить свой ответ
Еще вопросы
-
В каком году и на базе какого дома была открыта вторая танцевальная школа в России
-
Предмет:
Другие предметы -
Автор:
bugseyszp3 - 5 лет назад
-
Ответов:
1 -
Смотреть
-
-
При каких значениях а уравнение 5(a+4)x^2-10x+a=0 имеет действительные корни различных знаков?
-
Предмет:
Математика -
Автор:
friendokc0m - 5 лет назад
-
Ответов:
1 -
Смотреть
-
-
1 . you should apologize for the misunderstanding to her
2.unless you change your mind , the company will refund the money
3.tom isn't in my place , so he doesn't understand
4.we can't go because it is raining
5.unless there is so much traffic , the air will be polluted
6.it is doesn't rain , there will be a shortage of water
7.unless she starts at once , she will be late
8.you will lose your job . you are late again
9.if she doesn't hurry , she will miss the train
10.the weather isn't fine . we can't take photographs
11.you press this botton to stop the machine
12.we don't have enough money so we can't buy that house
13.if someone doesn't put the coal in the fire will go out
14.we don't see our grandparents often because they live so far
15.unless we reduce the use of water and electricity , we won't have to pay more this month
16.he can't buy the computer because he doesn't have enough money
17.working so much will make your tired
18.people don't do enough excercise , so there is a lot of heart disease
19.water these plants or they will die
20.i'm not rich so i can't buy that house
21.he works in the evening so he has no time to play with children
22.i can't give you a ride because i don't have a motorbike
23.hurry up or we will be late for the concert
24.she goes to school late because she lives very far from school
25.the test is so difficult that we can't finish it on time
26.people don't trust him because he tells lies
27.she is so busy that she can't come to the party
28.i don't have enough money , so i 'm not going to the party
29. he often gets bad marks because he is lazy
30.do it now , or you won't finish on time-
Предмет:
Английский язык -
Автор:
gigi43 - 5 лет назад
-
Ответов:
3 -
Смотреть
-
-
Мне срочно нужно решение этого уравнения!!!! Пожалуйста помогите!!! Заранее спасибо!!
39 - (-x)= - 15-
Предмет:
Математика -
Автор:
dashbeck - 5 лет назад
-
Ответов:
3 -
Смотреть
-
Топ пользователей
-
Fedoseewa27
35890 -
Askold
2792 -
Pikachu
2224 -
hobbesbowers
2116 -
kaylynnbarron676
1818 -
女fei
1240 -
yulia-kaplina
1156 -
Poinntt
946 -
Bars
930 -
Queenmagic18
754
How much to ban the user?
1 hour
1 day
100 years