how to get hypotenuse of right triangle

1. Problem descriptionThe Yang Hui Triangle is printed according to the number of input rows, as shown in 1.10.2. Problem analysisObserve the pattern of the Yang Hui Triangle, you can find the law: the vertical edge of the triangle and the

First, the principleCSS Box modelA box includes: Margin+border+padding+content. A smooth diagonal line appears at the junction of the top and bottom borders. Using this feature, by setting different upper and lower left and right border width or

Effect Chart: First, the analysis chart: Inside the green border: the outer div element, relative positioning; White round box: auxiliary analysis of the imaginary shape; White dot: The center point of the Circle, the point O; Center angle:

(Bad Idea, previously released is the wrong analysis.) Now, this one's not asking,!!!. ） Yesterday I saw a demo of an Apple menu in the "Wonderful Taste class". According to the "Pythagorean theorem" mentioned inside. I analyzed the code myself. As

Before the lazy chapter to share a little about the border picture of the content, the full ppt here.Principle CSS Box model A box includes: margin+border+padding+content – A smooth diagonal line appears at the junction of

SOURCE Download:http://pan.baidu.com/s/1hqvJJA8Code Source: This demo comes from "Wonderful classroom"Yesterday I saw the demo of an Apple menu in the "Wonderful classroom". According to the "Pythagorean theorem" mentioned inside. I analyzed the

A little bit about the border in the lazy chapter, the complete PPT is here. Principle CSS Box model A box includes: margin+border+padding+content – A smooth diagonal line appears at the junction of the top and bottom border.

? At present, the computer has been deep into all areas of social life, it is the Web front-end application, its application is no longer confined to scientific computing, and more is used in the control, management and data processing, such as

Vectors are the standard tool for 2D and 3D Mathematical research, and in 3D games vectors are the basis. Therefore, it is very important to master some basic concepts and properties of vectors and common operation methods. In this blog, horse and

at present, the computer has been deep into all areas of social life, by which it is Web front-end application, its application is no longer confined to scientific computing, but more is used in control, management and data processing and other