Предмет: Геометрия, автор: anna2406artemenko

Знайдіть суміжні кути, якщо їх градусні міри пропорційні числам 2 і 3
СРОЧНО

Ответы

Автор ответа: OblivionFire

0

Пусть х – коэффициент пропорциональности. Тогда, смежные углы будут равны 2х и 3х. Сумма смежных углов равна 180°. Составим уравнение: 2х+3х=180; 5х=180; х=180:5; х=36. Тогда, 2х=2*36=72° и 3х=3*36=108°. Ответ: 72° и 108°.

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Математика, автор: василиса561

Решите пожалуйста с 11 по 20 пример срочно

2 года назад

Предмет: Английский язык, автор: Кристина9521

Past Continuous Tense поставьтеглаголы, данныевскобках, в Past Continuous Detective: I’m afraid I must ask you both what you (do) yesterday at 10.20 p.m. Mr. X: I (play) chess with my wife. Mr. Y: I (listen) to a play on the radio. The children were frightened because it (get) dark. It was a fine day and the roads were crowded because a lot of people (rush) to the seaside. The aeroplane in which the football team (travel) crashed soon after taking off. He usually wears sandals but when I last saw him he (wear) boots. The house was in great disorder because he (redecorate) it. The director didn’t allow the actors to travel by air while they (work) on the film. The car had nobody in it but the engine (run). Two children (play) on the sand and two fishermen (lean) against an upturned boat. I was alone in the house at that time because Mr Jones (work) in the garage and Mrs Jones (shop). He said that he was the captain of the ship which (sail) that night for Marseilles. Are you going to Rome? I thought that you (go ) to Milan. My wife and I (talk) about you the other day. When I first met him he (study) painting. There was a strong smell and the sound of frying. Mr Jones (coock) fish. Tom ate nothing for lunch because he (diet). He said that he (try) to lose 10 kilos. Who you (talk) to on the telephone as I come in? I (talk) to Mr Pitt. When I first met him he (work) in a restaurant. He watched the children for a moment. Some of them (bath) in the sea, other (look) for shells, other (play) in the sand. Where he (live) when you saw him last? She (stand) at the bus stop. I asked her what bus she (wait) for. From the sounds it was clear that Mary (practice) the piano. There had been an accident and man (carry) the injured people to an ambulance.. Two men (fight) at a street corner and the policeman (try) to stop them. – What they (fight0 about? – Nobody seemed to know. Tom (sit) in the corner with a book. I told him that he (read) in very bad light. I went into the garden to see what the boys (do). James (weed) and Alexander (cut) the grass. When I arrived at the meeting the first speaker had just finished speaking and the audience (clap). The fraffic (make) so much noise that I couldn’t hear what he (say). While he (learn) to drive he had twenty-five accidents. He had a bad fall while he (repair) his roof. He was a little mad. He always (try) to prove that the earth was flat. While we (fish) someone came to the house and left this note.

2 года назад

Предмет: История, автор: Kastro01

У какого народа римляне переняли обычай закладки города? (КРАТКО)
Дам за ответ 20 баллов

2 года назад

Предмет: Математика, автор: rasul78

водную поверхность пруда украшают белые голубые и тигровые кувшинки белых и голубых 33 кувшинки голубых и тигров и сидеть кувшинок белых тигровых в 36 кувшинах сколько кувшинах каждого вида украшает труд

8 лет назад

Предмет: Математика, автор: Vadim1i

Решите уровнение в котором 7 икс в 2й степени минус 18 икс минус 9 равно 0

8 лет назад