are integers. The length of one of the legs of the triangle is the root of 2x2−23x+11=0. The area of the triangle is( ). 直角三角形ABC的三边的长都是整数,其中一条直角边的长是方程2x2−23x+11=0的根,这个三角形的面积是 .相关...
试题来源: 解析 D。三条边都不相等的三角形叫不等边三角形,即 scalene triangle。A 选项 equilateral triangle 是等边三角形,三边相等;B 选项 isosceles triangle 是等腰三角形,有两条边相等;C 选项 right triangle 是直角三角形,有一个角是直角。反馈 收藏 ...
sin 30° and sin 60°:An equilateral triangle has all angles measuring 60 degrees and all three sides are equal. For convenience, we choose each side to be length 2. When you bisect an angle, you get 30 degrees and the side opposite is 1/2 of 2, which gives you 1. Using that rig...
This country is its people; the people are the country.As the Communist Party of China has led the people in fighting to establish anddevelop the People’s Republic, it has really been fighting for their support.Bringing benefit to the people is the ...
Step by step video & image solution for A triangle in which all the sides / angles are equal is called __ triangle. by Maths experts to help you in doubts & scoring excellent marks in Class 7 exams. Updated on:21/07/2023 Class 7MATHSTRIANGLE AND ITS PROPERTIES ...
All shapes with three sides are triangles D. Some shapes with three sides are not triangles 相关知识点: 试题来源: 解析 B。本题考查真假命题判断。“All triangles have three sides”(所有三角形都有三条边),选项 B“No triangles have three sides”(没有三角形有三条边)与之矛盾。选项 A 一些...
have three sides. 4 This meant the people watching could see him from all angles (角度).But the creative artist still believes that the Mars Concert he imagines in his mind hasn't ye come to life fully. 5 A. He thinks there is much room for improvement. B. With the help of his ...
“The laser pointer has no taste, no smell, no sound. The dog relies solely on its vision. Professional trainer Victoria Stillwell of “It’s Me Or The Dog” was called upon to help a dog with laser pointer syndrome. By that video I learned an important lesson; i.e, get the dog to...
KYIV (Reuters) - All sides have reaffirmed their commitment to reaching a ceasefire in eastern Ukraine, a Ukrainian statement said on Monday after a round of talks involving political advisers and diplomats in the so-called Normandy format. The Normandy format brought t...
These principles are stated in China’s policies, incorporated in its systemic designs, and always adhered to in its practices. 世界需要和平,就像人需要空气一样,就像万物生长需要阳光一样。和平发展道路对中国有利、对世界有利,我...