Втреугольнике abc угол c=90 градусов, угол a=25 градусов, cd-биссектриса. найдите ad, если ac=43.

Через одну точку можно провести не более одной парямой. параллельной другой прямой. Так как прямая б по условия задачи паралельная прямой а, а точка А, через которую она проведена, принадлежит плоскости а, значит, прямая б принадлежит плоскости а.

Объяснение:

А чтобы всё это хозяйство не тупо списать, а понять, нарисуй чертежик - ну и пару страниц учебника назад отлистай - там эта теорема (или аксиома? ) изложена ;)

Успехов! Геометрия - это не страшно. Главное - не упускать на начальном этапе. Упустишь сейчас - потом пептец будет, это да. Так что, пока недалеко ушли - лови.

Sure! Here's a step-by-step solution to complete the sentences with the past simple or past participle of the verbs from the box:

1. The car _______________ (break) down on the way to the airport.
Explanation: In this sentence, we need to use the past simple form of the verb "break". The past simple form of "break" is "broke". So, the sentence should be completed as "The car broke down on the way to the airport."

2. She has _______________ (write) a beautiful poem for her teacher.
Explanation: In this sentence, we need to use the past participle form of the verb "write". The past participle form of "write" is "written". So, the sentence should be completed as "She has written a beautiful poem for her teacher."

3. They _______________ (eat) lunch at the new restaurant yesterday.
Explanation: In this sentence, we need to use the past simple form of the verb "eat". The past simple form of "eat" is "ate". So, the sentence should be completed as "They ate lunch at the new restaurant yesterday."

4. The book was _______________ (read) by millions of people around the world.
Explanation: In this sentence, we need to use the past participle form of the verb "read". The past participle form of "read" is "read". So, the sentence should be completed as "The book was read by millions of people around the world."

5. He has already _______________ (do) his homework.
Explanation: In this sentence, we need to use the past participle form of the verb "do". The past participle form of "do" is "done". So, the sentence should be completed as "He has already done his homework."

I hope this explanation helps you understand how to complete the sentences using the past simple or past participle forms of the verbs. Let me know if you have any further questions!