Предмет: Геометрия, автор: makarskaula04

Дано зображення тетраедра SABC. Точки K, L середини ребер SA i SB. Яка з вказаних площин паралельна прямій KL? а) SAC; б) SAB; в) SBC; г) АВС.

Ответы

Автор ответа: kirasanislo252

10

Ответ:

ABC

Объяснение:

так як KL-середня лінія ∆АВС, KLllAB ,тому KLllABC

Предыдущий вопрос

Следующий вопрос

Интересные вопросы

Предмет: Русский язык, автор: maximus5555555555

составить словосочетания относительные и притяжательные на тему назначение

2 года назад

Предмет: Английский язык, автор: Алиса1984

Помогите пожалуйста.
My Family
Task I: read & comprehend the following story.
My name is Polly. I am ten. I am a schoolgirl. I go to school. I like learning English and playing puzzles. I would like to tell you about my family. It is neither big nor small. There are four of us.
I have got a mother. Her name is Jane. She is a teacher. She is very responsible and creative. She likes her work. Her hobbies are singing and shopping. My mother is fond of reading detective stories.
I have got a father. His name is Jack. He is a doctor. He is clever and hardworking. My father likes playing golf. He goes in for sport to be healthy and strong. He is fond of fishing too.
My brother Nick is small. He is only four. He likes playing toys. Usually we get on well with him, but sometimes he is very naughty.
On Saturdays and Sundays we like to be together. Last Sunday we went to the country. We had a good rest.
Task II: decide whether the following sentences are true or false, correct the false ones.
Polly’s mother is a doctor.
Polly has got a younger brother.
Her brother Nick is a pupil.
Polly is ten.
There are five people in Polly’s family.
Polly`s father is clever and hardworking..
Last Sunday Polly’s family went to the Zoo.
Last Sunday Polly’s family had a good rest.
Task III: answer the following questions.
What does the girl like?
What is Polly’s father fond of?
What did they do last Sunday?

2 года назад

Предмет: Українська мова, автор: ninavozna2015

Познач схему,яка відповідає поданому реченню.
Я в людей не проситиму сили,я нічого в житті не просила,як не просять гранітні схили,щоб у спеку дощі їх зросили.
А [ ],[ ],(як),(щоб)
Б [ ],(як),[ ],(щоб)
В (Як),[ ],[ ],(щоб)
Г ( ),( ),(як),(щоб)

2 года назад

Предмет: Химия, автор: SACHA7STRELOK

На какие виды делятся кристаллические решетки? В чем их различия?

8 лет назад

Предмет: Геометрия, автор: yatiya

Могут ли две плоскости иметь только одну общую точку?

2) плоскими фигурами будут (скрин!!!)

8 лет назад