Предмет: Геометрия, автор: Nata9922

Помогите решить задачу

Приложения:

Ответы

Автор ответа: ludmilaksenija2005

1

Ответ:

АВ=4корень3

Объяснение:

OC=4

R=a/корень3

а=R×корень3

AB=OC×корень3 =4корень3

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Русский язык, автор: Gulbanum1986mailru

жыли были петушок и курочка краткий рассказ

1 год назад

Предмет: Английский язык, автор: boykoyulianna

Помогите прошу!!!!!!

1. Define the part of speech of the underlined word:
Don't come tomorrow,I'll be out.

2. Define the part of speech of the underlined word:
Still waters run deep.

3. Define the part of speech of the underlined word:
It was too late hour to come.

4. Define the part of speech of the underlined word:
It was still too hard to understand.

5. Define the part of speech of the underlined word:
He looked out of the window.

6. Define the part of speech of the underlined word:
He came back too late.

1 год назад

Предмет: Русский язык, автор: Vitea0606

Выбери раздельное написание НЕ: а\.отвечать (не) волнуясь; б\.(не) просохшая после дождя земля; в\.(не) хорошо поступить; г\.(не) интересный собеседник; д\.(не) хоженые тропы.

1 год назад

Предмет: Математика, автор: Аноним

помогите мне пожалуста

7 лет назад

Предмет: Английский язык, автор: NicoNico

Question 1
What colour are the walls in that room? … walls are grey.
Выберите один ответ.
her
their
his
its
Question 2
Баллов: 1
We shall discuss the results when we ... our experiments.
Выберите один ответ.
finishes
finish
are finished
will finish
Question 3
Баллов: 1
She saved money and she wants to put ... in the bank.
Выберите один ответ.
them
their
it
they
Question 4
Баллов: 1
How ... does it cost to fly to New York by Concorde?
Выберите один ответ.
much
many
far
a lot
Question 5
Баллов: 1
… you help me, please ?
Выберите один ответ.
Could
Must
Should
Might
Question 6
Баллов: 1
The pupil ... his work carelessly.
Выберите один ответ.
had made
made
have done
did
Question 7
Баллов: 1
If my advice ..., I’ll be so happy!
Выберите один ответ.
help
helps
will help
have helped
Question 8
Баллов: 1
We have a meeting at 5 o’clock, so you …. be on time.
Выберите один ответ.
would
can
will
must
Question 9
Баллов: 1
Simon met his wife while she ... at his hospital.
Выберите один ответ.
work
has worked
was working
works
Question 10
Баллов: 1
… parents are pensioners.
Выберите один ответ.
she
he
theirs
her
Question 11
Баллов: 1
He was so tired that he couldn't ... us.
Выберите один ответ.
to join
join
joining
joined
Question 12
Баллов: 1
She usually … all materials herself.
Выберите один ответ.
is typing
types
will type
type
Question 13
Баллов: 1
He ... be in this room.
Выберите один ответ.
is
has
must
ought
Question 14
Баллов: 1
They are busy with … lessons.
Выберите один ответ.
him
she
their
its
Question 15
Баллов: 1
What are …?
Выберите один ответ.
these
that
whose
this
Question 16
Баллов: 1
May I invite my friend to the party? - Yes, you ...
Выберите один ответ.
may
can
must
need
Question 17
Баллов: 1
Did he ... the week-end in the country?
Выберите один ответ.
spent
spending
spend
spends
Question 18
Баллов: 1
If you think ..., you’ll give me the right answer.
Выберите один ответ.
little
less
few
a little
Question 19
Баллов: 1
His money ... on the shelf.
Выберите один ответ.
is
have been
are
were
Question 20
Баллов: 1
... your little daughter walk? - No, she can't. She is eight months old.
Выберите один ответ.
may
must
can
need
Question 21
Баллов: 1
You … go home if you are ill.
Выберите один ответ.
may
are able
have
could
Question 22
Баллов: 1
You .... to reach good results in a month.
Выберите один ответ.
should
could
will be able
must
Question 23
Баллов: 1
… you swim?
Выберите один ответ.
must
are
may
can
Question 24
Баллов: 1
… rooms has your brother?
Выберите один ответ.
why
how many
how much
where
Question 25
Баллов: 1
What... American public schools teach?
Выберите один ответ.
are
is
does
do
Question 26
Баллов: 1
…. you be happy if you win this prize?
Выберите один ответ.
Were
Will
Are
Would
Question 27
Баллов: 1
The man is old and he can’t ... well.
Выберите один ответ.
heard
hear
to hear
listen to
Question 28
Баллов: 1
Who ... so loudly there?
Выберите один ответ.
is saying
is speaking
is telling
speaks
Question 29
Баллов: 1
What are you doing? - I ... reading a book.
Выберите один ответ.
do
am
shall
was
Question 30
Баллов: 1
It's easy, you can do it ....
Выберите один ответ.
your
you
yours
yourself

7 лет назад