A. equilateral triangle B. isosceles triangle C. right triangle D. scalene triangle 相关知识点: 试题来源: 解析 B。有两条边相等的三角形叫等腰三角形,即 isosceles triangle。A 选项 equilateral triangle 是等边三角形,三边相等;C 选项 right triangle 是直角三角形;D 选项 scalene triangle 是不等边三角...
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...
2. Find out what numbers do the triangle and square equal to△ ▱=9△ △=▱△=___▱=___
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with three straight sides. a triangle is considered a 3-sided polygon. the sum of all the three angles of a triangle is equal to 180°. the triangle is contained in a single plane. based on its sides and angle measurement, the triangle has six types. how many sides does a triangle ...
A regular hexagon and an equilateral triangle have equal areas. What is the ratio of the length of a side of the triangle to the length of a side of the hexagon?A. √3 B. 2 C. √6 D. 3 E. 6 相关知识点: 试题来源: 解析 C...
The equilateral triangle is one of them. In this triangle, all sides have the same length. The angles of an equilateral triangle are also the same, and it is equal to 60 degrees each. If the sides of the equilateral triangle are a, then the area will be, ...
is equal to As before, the first expression simplifies to which equals . Meanwhile, the second expression can be rearranged as By (2), (3) we can simplify to and so the inner product is , leading to the “five part rule” In the case of a right-angled triangle , this simpli...
等边三角形三条边相等且三个角也相等,选项 A 正确。选项 B 中 all sides are different(三条边不同)不符合等边三角形特征,且 all angles are acute(三个角都是锐角)虽然正确但不全面;选项 C 中 all sides are unequal(三条边不等)和 all angles are obtuse(三个角都是钝角)不符合;选项 D 中 all ...
is equal to As before, the first expression simplifies to which equals . Meanwhile, the second expression can be rearranged as By (2), (3) we can simplify to and so the inner product is , leading to the “five part rule” In the case of a right-angled triangle , this simpli...