Предмет: Геометрия, автор: alyonanorth

Как построить треугольник, если известен только косинус?

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Автор ответа: blog2013
0
нужно найти градусную меру cos и по этой мере построить угол после соединить концы
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A. Fill in the missing word. There are three answers you do not need to use.
fond • stepmother • bright • optimistic • dull • host • keen • insincere • opportunity • hug •
She’s the woman who has married my father. She’s my …………………….
Don’t believe everything Bill says. He’s a bit …………………….
Felicia is very ……………………. of dogs, and she’s been asking her parents to get her one for ages.
Cindy is a very cheerful person who always looks on the bright……………………. side of life.
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When I told Alan the good news, he gave me a big ……………………. and a kiss on the cheek.
The film we went to see last night was so ……………………. that I almost fell asleep at the cinema.
B. Fill in the missing word/phrase. There are two answers you do not need to use.
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Nadia is so …………………….! She never listens to anyone, and does whatever she wants.
Don’t worry, Greg will be here on time; he’s very ……………………..
I don’t think Claire is going camping this weekend; she still hasn’t ……………………. her cold.
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My parents ……………………. (rarely/leave) us home alone when we were young.
Chris didn’t hear the phone ring because he ……………………. (listen) to music very loudly.
What time ……………………. (you/take) the dog for a walk this morning?
I ……………………. (not/meet) Claudia and Jason for coffee yesterday, because I was too busy.
Sandra ……………………. (water) the flowers while Ian was cleaning out the garage.
D. Underline the correct answer.
Jane works/has worked at her dad’s restaurant every Friday night.
Emma is always interrupting/has always interrupted me whenever I tell a story.
Have you met/ Have you been meeting our new neighbours yet? They seem really nice.
The concert is starting/starts at 9:00. Do you want to go to dinner before that?
I promise I am helping/will help you with your homework as soon as I can.
We are going/will go to the cinema tomorrow night. Why don’t you join us? =
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According to an English saying, the ………………….…………. (old) we grow, the wiser we become.
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