Предмет: Геометрия, автор: valyaakanova17

найдите периметр параллелограмма со сторонами 3см и 4,5см

Ответы

Автор ответа: Аноним

0

Ответ:

$15cm^2$

Объяснение:

$P = 2(a + b)$

$P = 2(3cm + 4,5cm) = 2 * 7,5 = 15 cm^2$

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Українська мова, автор: Федькооооо

видминювання слова ягня ...множина однина

1 год назад

Предмет: Английский язык, автор: kjkrf

Put the verb in brackets into the Past
Indefinite or the Present Perfect.

1.     What ________ (happen) to you?

2.     The accident _________ (happen) last Sunday afternoon.

3.     We _________ (just return) from our holiday. We
________ (stay) at a very good hotel.

4.     They ___________ (never buy) new cars.

5.     We ________ (do) our shopping on Monday.

6.     Ann _________ (take) a lot of nice photographs lately.
But last weekend she ___________ (take) very few.

7.     I __________ (write) two letters to Jane this month.
But last month I _________ (not write) any.

8.     John _________ (find) some money and __________ (take)
it to the police.

9.     Mozart _________ (live) from 1756 to 1791.

10. Kate likes travelling. She _________ (visit) many
countries.

1 год назад

Предмет: Английский язык, автор: lizikom

Помогите пожалуйста с
английским, кое-что сама знаю и хочу проверить себя, всё ли правильно.

1. Вставьте артикль,где необходимо a,
the. 1. Have you been
to....Urals? – Yes, I have. What .... fantastic mountains! 2..... sun
is shining. There is not ....cloud in....sky!3.  Have
you ever had such ... pancakes? 4. What ... big cake! 5. There
is ...bookshop at .... end of ... street. 6.  It
is ...same picture. 7. I saw him.... last Friday. 8. ... Orlovs’
flat is on .... fifth floor.

2. Write
sentences as in the example. 1.He
could (hard / hardly) wait to open the box.2. She
worked (hard / hardly), but her mother still wasn’t (happy / happily). 3. She
is a (nice / nicely) singer. 4. She sings (nice / nicely). 5.Neither
Peter nor Helen (collect / collects) stamps. 6. We
(are having / will have / have) a party tonight. We (do / did / have done)
everything. 7. –Have
you got any wooden toys? – No, I’ve only got plastic (one / ones). 8. It
didn’t mean (something / anything / nothing). 9. Nobody
(was / were / wasn’t) happy to hear the news.  obody
(was / were / wasn’t)

1 год назад

Предмет: Математика, автор: Дария2704

сколько грам в 2002килограмма

8 лет назад

Предмет: Математика, автор: arturgilt78

Периметр квадрата 64см найди длину прямоугольника ширина которого равна 4см а площядь в 2раза меньше чем площядь квадрата

8 лет назад