Предмет: Математика, автор: мир10

измерь длину радиуса окружности.начерти окружность с тем же центром

Ответы

Автор ответа: VikaBerezkina
29
Радиус - расстояние от центра окружности до любой ее точки. Проведите отрезок (Центр - любая точка), измерьте его, это и будет радиусом окружности. Теперь поставьте ножки циркуля на это расстояние(радиус) и начертите окружность. 
Я, конечно, мастер пояснений, но ход работы я описала. 
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1. The carpenter (finish, just) the roof when the chimney (fall) down.

 2   (your sister, buy) all the food for the party?

 3   The children (learn) French since father (go) to Paris.

 4   (you, go) to the seaside tomorrow? � Yes, I (go) there once a week.

 5   The Tucks (not have) a holiday by the seaside for seven years.

 

 6   Who (be) that? � Sheila's boyfriend (stand) at the door.

 7   The watchman (notice) the burglar as he (try) to open the back door.

 8   Where (be) the guinea-pig? � Aunt Lucy (take) him out to the garden.

 9   Lots of mosquitoes (fly) around the lamp so we (turn) it off.

10   you (wash) the car yet? � No, but I already (fill) the tank.

 

11   Mary-Joe (sit) on the balcony when Aunt Lucy (arrive).

12   Peggy (clean) the living-room. � When (she, clean) it?

13   She's busy. She (make) a cake. She often (make) cakes.

14   By the end of next month he (be) here for ten years.

15   you (read) Mary Poppins? � I (begin) it last week and I just (finish) it.

 

16   I'm rather fat, but I know what to do. I (sell) my car and (buy) a bike.

17   When we (see) the policeman we quickly (run) behind a tree.

18   Dora (go) to see her friend last night, and she (not come) back yet.

19   What you (do) tomorrow? � I (help) mummy with the housework.

20   Is Dora in? � Yes, she (be) to the bank, but she (just, come) back.

 

21   (you, see) that picture? It (be) on this wall for many years.

22   Tomorrow I (invite) Cathy to a drink, then I (tell) her I (love) her.

23   you (hear) the latest news? Peter (marry) the Simpson girl yesterday.

24   By the time we (get) there somebody (take, already) the documents.

25   you (wait) long for me? � No, I (come) just now.

 

Предмет: Математика, автор: Einstein1955