Предмет: Математика, автор: maksimkapo

Площадь паралелограмма равняется площади квадрата, периметр которого - 36см, а одна из высот паралелограмма равняется 3см. Найди сторону паралелограмма, к которой проведенно высоту.

Ответы

Автор ответа: trayan05052000
0
площадь парал=площадь квадрата=36=высота*сторона парал значит
36/3=12-сторона парал
Автор ответа: maksimkapo
0
скажу одно, там варианты ответа (9,15,21,27)
Автор ответа: trayan05052000
0
аа
Автор ответа: trayan05052000
0
там дан периметр
Автор ответа: maksimkapo
0
все, уже решили
Автор ответа: maksimkapo
0
Ответ - 27
Автор ответа: Helenn2
0
Сторона квадрата=36:4=9 см
значит площадь квадрата=9*9=81 см кв.
Площадь параллелограмма равна сторона на  высоту, проведенную  к этой стороне. Значит сторона параллелограмма = 81:3 = 27 см
Ответ: 27 см
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Tick () A, B, or C to complete the sentences.

Example: My sister _____ Italian.

A speak  B speaks  C do speak 

1 I need _____ to drive a car this summer.

A learning  B learn  C to learn 

2 I don’t mind _____ time with my partner’s family.

A to spend  B spend  C spending 

3 We stopped at a café _____ a drink and a break.

A to have  B have  C for have 

4 _____ about everything is the best way to have a good relationship.

A Talking  B Talk  C The talking 

5 It’s interesting _____ your partner’s brothers and sisters.

A meet  B to meet  C for meet 

6 I don’t feel like _____ breakfast this morning.

A having  B have  C to have 

7 You _____ pay to go into that museum. It’s free.

A don’t must  B mustn’t  C don’t have to 

8 You _____ walk home at night. It’s dangerous.

A should  B shouldn’t  C shouldn’t to 

9 I think they _____ buy a new car. Their old one looks terrible.

A should  B should to  C mustn’t 

10 Nina couldn’t come to my birthday party, but I went to _____.

A her  B she’s  C hers 

11 If we _____ queues, the other queue will move quicker.

A changed  B change  C will change 

12 She’ll be really happy if we _____ her to our party.

A invited  B invite  C would invite 

13 If they _____ arrive in five minutes, we’ll go.

A didn’t  B won’t  C don’t 

14 How many films _____ Johnny Depp made?

A did  B have  C has 

15 When _____ your parents meet?

A have  B has  C did 

16 What _____ she do if she lost her job?

A will  B would  C did 

17 If we _____ work tomorrow, we’d stay longer at the party.

A have to  B didn’t have to  C don’t have 

18 _____ you stop working if you were rich?

A Would  B Will  C Do 

19 My mum was a teacher _____ 25 years before retiring.

A for  B since  C during 

20 We’ve lived here _____ I was a young child.
A for  B since  C when 