Предмет: Геометрия, автор: nairog47

треугольнике АВС проведена биссектриса ВК. Величина угла КВС равна 40(градусов). Найдите величину угла АВК и угла АВС

Ответы

Автор ответа: sharuk13

Ответ:

т.к. ВК-биссектриса, то КВС=АВК.

Значит АВК= 40°

А угол АВС будет равен АВК+КВС

В итоге АВС =40+40=80°

Ответ:АКВ=40°,АВС=80°

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Английский язык, автор: marsirotkina20

Помогите пожалуйста !!!!!
Read the text and put the verbs in brackets in the correct form.
• The first one has been done for you.
"We won the lottery and my life became hell."
Colleen' luck changed when her family matched six numbers on their lottery ticket. But success hasn't been so sweet.
Last August my mum and step-dad (0) bought (buy) a £1 lottery ticket and (1) ___________ (win) the £4. 3 million jackpot. They were out when the draw took place and didn't find out they (2) ___________________ (win) until they (3) ___________________ (check) their ticket the following evening.
We (4) ______________ (not have) a lot of money so I was really pleased for them. But things soon started to go wrong.
Gary, a lad I (5) _______________ (see) at the time, told me he (6) _______________ (not really want) to talk or be seen with me because of what other people might say or think. He thought that everyone thought he was with me for my mum's money!
We couldn't stay in our house in case we (7) _____________ (get robbed) so we moved 13 miles out of town, which meant I (8) _______________ (have to leave) my friends and my boyfriend. And now even though they (9) ______________ (not say) it to my face some of my friends call me a snob or stuck-up. They treat me differently because they think I can now have everything I want. They do not understand that that is not the case. You see, even though my mum and step-dad have money, I don't. They (10) _____________ (invest) for us but I still have to work like any normal person. It's hard to get that through to my friends. They listen to what I'm saying but they don't understand what I mean.

2 года назад

Предмет: Математика, автор: Дашка1в1домашке

На трёх полках 45 книг,причём на одной в два раза меньше,чем на каждой из двух других .Сколько книг на каждой полке?
РЕШЕНИЕ ЗАДАЧИ БЕЗ УРАВНЕНИЯ И ИКСОВ,ПОМОГИТЕ!!!

2 года назад

Предмет: Русский язык, автор: artem1234532

2 предложения с одушевленными существительными мужского рода 2-го скланения в родительном и венительном падеже

2 года назад

Предмет: Математика, автор: Lis0906

2(3-x/3)=5+x
Решить пожалуйста!!!!
СРОЧНО!!!

9 лет назад

Предмет: История, автор: Rollov35

Надо записать стоянки по истории Казахстана в эпоху мезолита Нужно срочно✍!!!!Помогите!

9 лет назад