two sides are equal C. no sides are equal D. one side is longer than the others 相关知识点: 试题来源: 解析 A。在几何中,证明一个三角形是等边三角形需要展示所有边都相等,选项 A 正确。选项 B 是等腰三角形的特征;选项 C 不是任何特殊三角形的特征;选项 D 也不符合等边三角形的定义。
D: E: 相关知识点: 试题来源: 解析 B Triangle is equilateral; hence and therefore (exterior angle of a triangle is equal to the sum of the two interior opposite angles). Hence, applying this result again, we deduce that .反馈 收藏
Answer to: \triangle ABC is equilateral and \angle AEF is a right angle. D and F are the midpoints of AB and AC, respectively. What is the value of...
In equilateral triangle, circumcenter (O) and incenter (I) coincide Also from the diagram, R + r = h " or " (R +r)/(h) = 1
An equilateral triangle is a triangle that has three sides of the same length. The perimeter of an equilateral triangle is 43.5 inches. Find the length of each sideFollow • 2 Add comment 1 Expert Answer Best Newest Oldest Mark M. answered • 01/18/16 Tutor 5.0 (278) Mathematics...
百度试题 结果1 题目An equilateral triangle has ___ equal sides. A. two B. three C. four D. five 相关知识点: 试题来源: 解析 B。等边三角形有三条相等的边。反馈 收藏
A. equilateral triangle B. right triangle C. isosceles triangle D. scalene triangle 相关知识点: 试题来源: 解析 C。本题考查三角形的分类。如果一个三角形有两条边相等,那么它被称为等腰三角形。A 选项是等边三角形,三边相等;B 选项是直角三角形;D 选项是不等边三角形。反馈...
Let the point P lies in the interior of an equilateral triangle with side lengths 2 units, each. Find the sum of the shortest distances from P to the sides of the triangle. View Solution Doubtnut is No.1 Study App and Learning App with Instant Video Solutions for NCERT Class 6, Class ...
<p>To solve the question, we need to identify the type of triangle that has two sides equal. Let's break it down step by step.</p><p>1. <strong>Understand Triangle Types</strong>: - First, we need to know the different types of triangles based on the
A triangle with three congruent sides is called an equilateral triangle. An equilateral triangle also has three equal measure angles. What is an example of congruent sides? Two sides are congruent if they have the same length. For example, in a rectangle, there are two pairs of sides that ...