The sum of the measures of all the angles of a triangle is( ).A.180∘B.120∘C.90
A. right triangle B. isosceles triangle C. equilateral triangle D. scalene triangle 相关知识点: 试题来源: 解析 C。解析:有一个角是直角的三角形是直角三角形,选项 A 错误;有两条边相等的三角形是等腰三角形,选项 B 错误;三条边都相等的三角形是等边三角形,选项 C 正确;三条边都不相等的三角形是不...
Prove That the Sum of All the Angles of a Triangle Is 180°高中英语课外阅读阅读材料Do you remember how your math teacher taught you to prove that the sum of all the angles of a triangle is 180°? Yes, of course, you do. But it is interesting to prove it in the following way....
The meaning of ALL is the whole amount, quantity, or extent of. How to use all in a sentence. Synonym Discussion of All.
b : as much as possible spoke in all seriousness 2 : every member or individual component of all men will go all five children were present 3 : the whole number or sum of all the angles of a triangle are equal to two right angles 4 : every all manner of hardship 5 : an...
A. Right Triangle B. Obtuse Triangle C. Equilateral Triangle D. Isosceles Triangle 相关知识点: 试题来源: 解析 C。本题考查三角形角的类型。直角三角形有一个直角,钝角三角形有一个钝角,等边三角形的三个角都是锐角,等腰三角形的角不一定都是锐角。反馈...
spoke in all seriousness every member or individual component of all five children were present all men will go the whole number or sum of all the angles of a triangle are equal to two right angles every all manner of hardship any whatever ...
Alltheanglesofatrianglearelessthan180degrees．（＝Eachangleis．） Allthis（orAllthat）ismadness． Iknowallthoseplaces．（总起来考虑） Iknoweveryone（每一个）ofthoseplaces．（分开考虑） Icanrememberall（特指，全部）thestoriesIhaveread． Icanrememberany（泛指任何一个）storiesIwillread．
柯林斯例句 The sumof allthe angles of a triangle is 180 degrees. 三角形内角总和为180度。 柯林斯例句 I wouldn't trust them in spiteof alltheir la-di-da manners. 尽管他们处处显得很高雅的样子,我还是不相信他们。 柯林斯例句 展开全部
In a triangle ABC, a^3 + b^3 + c^3 = c^2 (a + b + c) (All symbol used have usual meaning in a triangle.) Statement-1: The value of /C=60^@. Statement-2: Delta