Chapter 8 Zhou Yu, you stupid X, beast, scumbag

"Zhou Yu got up, he was about to be late. ”

A voice woke me up from my lunch break.

I looked at Yu Wenbo, who was talking, and he showed his phone in front of me, and the display time was 13:30. If you don't get to the classroom for 10 minutes, you will be recorded as late, and our school record of being late is very serious, and we basically have to be dragged by the class teacher to talk about Jesus in the eighth period. I saw that there was no one in the dormitory anymore, only me and Wenbo were left, Wenbo and I were in and out of bed, he went to bed, and I got out of bed.

I waved my hand at Yu Wenbo and said, "Okay, I know, Wenbo, you go to the classroom first." If you don't go, you'll be late. ”

With that, I went to the bathroom to brush my teeth.

"Damn, Zhou Yu, I don't care about you, you stupid X, not afraid of being late. I even went to brush my teeth. Wenbo saw me, brushed his teeth, scolded, and ran out in a hurry.

Our dormitory is on the 3rd floor, the classroom is on the 4th floor of the teaching building, and there is a distance of more than 100 meters from the dormitory to the teaching building.

After brushing my teeth, I walked slowly to the teaching building, and found that the inspection time had passed, and it was already the end of class time. Walking to the 4th floor, passing by the top science class, and then walking to the top liberal arts class, I quickly found Xia Yu's seat. Walking into the classroom of their class, our school is now a liberal arts class next to the science class, so there are a lot of things like running into the classroom, because there is an imbalance between male and female students in this class. So I walked into their classrooms and didn't attract anyone's attention.

I looked at Xia Yu's seat in the group of seats that were closer to the window, in the 4th row, and behind her seat happened to be Li Haofan. At this time, Xia Yu and Li Haofan's table mates were not there.

Li Haofan is now solving a math problem for Xia Yu, who has turned his head around. It seems to be calculating the area of a triangle.

However, Li Haofan made N more auxiliary lines in the picture above the title of the homework book, and still couldn't find a way to solve it. I looked at the content of the question:

As shown in the figure, in the acute triangle ABC and in the acute triangle abc, the angle A = the angle a. The side of the triangle AB is 4 and BC is 5. Whereas, the side ac in the triangle abc is 2 and the bc is 2.5. In addition, the triangle has the corner A as the vertex, and the height made with the edge BC as the base is AD. AD is known to be 3.6. Find out what is the area of the triangle abc?

After I finished reading the title, I looked at the picture again, and I didn't know the prototype that had been drawn by Li Haofan, but after making up through my own brain, I soon knew what the prototype picture was. In fact, this problem is very simple, just prove that the relationship between the triangle ABC and the triangle abc is making an auxiliary line.

I suddenly said, "Damn." It's that simple, Li Haofan, you're a rookie!

"You cow, you're coming!" Li Haofan didn't even look at me, his attention was still on the homework book, and he said unhappily.

If a male student is told by someone else in front of a female classmate that he doesn't know math problems, that's the most annoying thing. And the more beautiful the female classmates, the more annoying they are, and Xia Yu is also very beautiful. Because the best performance of a male student in front of a female student is to help a female student solve math problems, which will make the male student's image taller in front of the female student. In particular, in the liberal arts class, there are no subjects such as physics, chemistry, and biology that would make girls feel strange. So being said by my words, Li Haofan was very unhappy!

I quickly sorted out my thoughts, and then grabbed Li Haofan's homework book and prepared to write the answer.

At this time, Xia Yu looked at me, she knew me, but she didn't speak, but her expression was a little strange. But when she realized that I was about to write the answer, her eyes flew back to the homework book.

While writing in my workbook:

Because angle A = angle a, AB: ac (4:2) = BC: cb (5:2.5) = 2:1. Therefore, according to the theory that if two triangles are acute triangles, one angle is equal, and the opposite side of the angle is equal to one of the corners, then the two triangles are proportional triangles. It can be concluded that triangle ABC and triangle acb are proportional triangles with an equal ratio of 2:1.

And I said: "Look here, this is a misunderstanding, generally when we look at the relationship between triangles, we like to look at the order of ABC or abc, we must use AB to correspond to ab, so there will be no way to get the correlation of triangles." Actually, you don't have to look at it. And the theory of acute triangles is also not commonly used, because it can only prove the proportionality of acute triangles. Now, we know the proportional relationship of the triangle, and know the base and height of the triangle ABC, then the area of the triangle ABC is known, and the area of the proportional triangle abc is either higher than the auxiliary line, or according to the relationship of the proportional triangle, the area is the square ratio of the proportional value, we can know the area of the triangle abc. ”

I won't say anything more at this point, and I didn't continue to write the answer, because I just left it to Li Haofan to perform.

"Yes, how could I not think of it?" Li Haofan patted his head, then looked at me, and said in surprise: "Zhou Yu, why are you?"

I didn't answer Li Haofan, but leaned over to Xia Yu, and then spoke: "I didn't arrive for the afternoon inspection time just now, I should be recorded as late, you can help me eliminate it." You just think I'm a member of the student council. ”

Xia Yu looked at me, then nodded with a blushing face.

"By the way, Yu Wenbo from our class, you see if he is late, and if he is, you can also help him eliminate it. I thought about it, and then decided to help Yu Wenbo get an insurance. Although he scolded me for being stupid X, after all, he was also my tablemate and teammate.

After I finished speaking, I saw Xia Yu nodding, and I really left. When I left their classroom, Li Haofan also ran out, pulled me to a position that Xia Yu couldn't see, and said to me: "Zhou Yu, you beast, it turns out that the incident of Xia Yu having an abortion for you that is circulating on the campus is true." You scumbag, I invited you to eat ice cream yesterday and call you brothers, I'm sorry! Xia Yu has been ruined by you. Don't let me see you again!"

As Li Haofan spoke, he gave me a punch and hit me directly in the abdomen.

Damn! it hurts. Today I was scolded by two people, they are still at the same table, Yu Wenbo is my current tablemate, Li Haofan is my tablemate in my first year of high school, Haofan still beat me, I am so heartbroken!

Li Haofan finished scolding, and after the beating, he turned his head and left.

I grabbed Li Haofan and said, "Ice cream...... No. Haofan, listen to me. That's not true, it's all rumors. I've known you for so long, don't you know who I am?"

Then I told everything from helping Xiaoyan carry his luggage to finding Xia Yu to settle accounts. Of course, I didn't say anything about Xiao Yan smacking his slippers.

Li Haofan said: "What proof do you have?"

Damn, how else can I prove it?

"Even if you don't believe me. Then you said it, Xia Yu is a good girl, do you think she is like that kind of person?" I forcibly defended.

"Seemingly, it makes sense. Xia Yu is not such a casual person. But what if you cheat on her. Li Haofan believed it a little, but he was willing to believe me because Xia Yu didn't seem like a casual person.

"I'll ask you before that. When have you ever seen me walk with Xia Yu? Even if you don't believe me, you have to believe Xia Yu! If you don't believe me, you can ask her. "Again, I have a favorable proof. Because I didn't know Xia Yu two days ago.

"Well, that's right. Xia Yu is still credible, so I believe you for the time being. "Li Haofan finally cleared my suspicion.

Thankfully, I was finally believed. However, it seems that Li Haofan, this kid, believes in Xia Yu more. Damn, I've been at the same table with him for so long!