Диагональ куба равна 2 корень из 3.Найдите объем куба. - Дата: 05.01.2020, Автор: charliecraig - №4975557

Диагональ куба равна 2 корень из 3.Найдите объем куба.
- Предмет:
  Геометрия
- Автор:
  charliecraig
- 6 лет назад

Ответы 1

d^2=3a^2a=2V=a^3=8 ------------
- Автор:
  kerrytchd
- 6 лет назад
- 0
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Прочитать текст Dear Alex,Thank you for your letter. In summer I v/as in the country, too. In June my mum took my brother and me to the Black Sea. The sea was blue and nice. The weather was sunny and hot. We swam and dived a lot. We saw dolphins in the sea.They were big and strong. I think dolphins are the nicest animals in the sea.In July I went to the country with my grandma. We lived on the farm. There were many green fields and a long river next to our farm. There was a green garden with apple trees behind our house. In the morning I fed hens and ducks. Then I rode a horse in the fields. I saw a lot of cows and sheep there. I like to live in the country.In August my dad and I went to Moscow. It's the capital of Russia. It's thebiggest city in our country. The streets are wide and long in Moscow. There are lots of people, cars and tall houses. One day we visited the most interesting place in Moscow — the zoo. We saw many different animals: eagles, camels, monkeys, elephants, tigers, bears and a giraffe Samson. I spent (провёл) five days in Moscow. And I was glad to come back home. Now I know "East or West home is best!" I like my friends and my old green town — Kaluga.Would you like to visit Kaluga next summer? We'll have a good time together'Write back.Your friend, Dima SokolovСлайд 2Выполни задания к тексту Закончи предложения, выбрав один вариант из трёх предложенных. 1) In June Dima went to...a) to the country. b) to the Black Sea. c) to Moscow.2) Dima liked the dolphins because...a) they were nice, big and strong. b) he fed them in the morning. c) they swam and dived a lot.Выбери правильные ответы на вопросы. 1) Where did Dima ride a horse?a) in the forest. b) in the fields. c) in the garden.2) Why was Dima glad to get back home?a) He didn't like Moscow. b) He likes to live in the country. c) He likes his friends and his old town.3. Выбери утверждение, которое не соответствует содержанию письма. a) Dima and his brother saw dolphins in the sea.b) Dima and his dad lived on the farm in July.c) Dima visited Moscow zoo in August.d) Dima was glad to come back home.
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