Предмет: Геометрия, автор: nastymi33

н аписати букву і розв'язати ​

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Ответы

Автор ответа: zmeura1204
1
Відповідь:
64π см²

Розв'язання:
С=2πR; → R=C/2π=16π/2π=8см
S=πR²=8²π=64π см²

Miа16: zmeura1204 привіт! ти тут?
Автор ответа: ludmilaksenija2005
0

Объяснение:

L=16n cм

L=2nR

R=L/2n=16n/2n=8 cм

S=nR²

S=n×8²=64n cм²

Ответ : Г)

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Предмет: Английский язык, автор: MacDax


G R A M M A R

1Complete the sentences. Use the verbs in brackets in the past simple or the past continuous.

Example: I saw (see) James yesterday.

1 It _________ (rain) when we got to the beach. 2 I met Paul when I _________ (walk) the dog.

3 She _________ (not go) to the cinema with us last week.

4 _________ Ben _________ (wear) his new jeans when you saw him?

5 Last year I _________ (run) in the London marathon.

6 I _________ (not watch) TV when you rang, I was in the shower.

7 _________ you _________ (drive) to France last summer?

8What _________ you _________ (do) at eight o’clock last night?

8

2Complete the dialogue.

Freddie Wheredid yougo (you go) last year?

Mike I went to Japan.

Freddie Fantastic! When1 _________ (you go)?

Mike In the summer.

Freddie Who2 _________ (you go) with?

Mike I went with Sam, but we had a few problems.

Freddie What3 _________ (happen)?

Mike We lost our passports.

Freddie Really? What4 _________ (you do)?

Mike We went to the police station.

Freddie What5 _________ (they say)?

Mike Well – the passports were there!

Freddie That was lucky! Who6 _________ (find) them?

Mike Two children – in a park.

Freddie That was very lucky!

3Complete the sentences with so,because,but, oralthough.

Example: I don’t eat meat because I’m a vegetarian. 1 _________ it’s late, I’m not tired.

2 I invited Sue to the party, _________ she didn’t want to come.

3 Tom couldn’t do the exam, _________ it wasn’t difficult.

4 It was raining, _________ I took my umbrella.

5 I’m learning Italian _________ I’ve got a penfriend in Rome.

6They won the lottery _________ they’re going to buy a new house.

6

Grammar total





20

V O C A B U L A R Y

4Underline the correct verb.

Example: go /spend /stay abroad 1hire /buy /go souvenirs

2 stay /meet /rent an apartment

3 do/ take/ spendphotos

4 go /be /have for a walk

5 take /have /spend a good time

6 see /spend /walk around the town

7 rent/ hire/ goby car

8 stay /spend /have in a hotel