right-angled triangle Triangle in which one of the angles is a right angle (90). It is the basic form of triangle for defining trigonometrical ratios (for example,sine, cosine, and tangent ) and for which Pythagoras theorem holds true. Its are a is equal to half the product of the len...
答案 right angle是名词,直角,triangle是三角形,也是名词,所以在形容直角三角形时,实际上是指直角的三角形,因此需要变成形容词在angle后面加d,就是把直角变成直角的相关推荐 1right angled triangle 为什么angle后加个dright angle 不就是直角了么,为什么加d啊 反馈...
A right-angled triangle (also called a right triangle) has a right angle (90°) in it.The little square in the corner tells us it is a right angled triangle (I also put 90°, but you don't need to!)The right angled triangle is one of the most useful shapes in all of ...
right angled triangle 英 [ˌraɪt æŋɡld ˈtraɪæŋɡl] 美 [ˌraɪt æŋɡld ˈtraɪæŋɡl]网络 直角三角形
Related to right-angled triangle:hypotenuse Triangle Intechnical analysis, a series of high and lowpricesfor asecuritythat, when plotted on a chart, looks vaguely like a triangle. A triangle indicates thatinvestorsdo not know whether abull marketor abear marketwill prevail. If the triangle breaks...
(redirected fromRight angled triangle) Thesaurus Medical Financial Encyclopedia triangle top: right triangle bottom: equilateral triangle tri·an·gle (trī′ăng′gəl) n. 1. a.The plane figure formed by connecting three points not in a straight line by straight line segments; a three-sided...
28In the figure below, ABC is a right-angled triangle. EF is parallel to GH.Find ∠BCH.E77°50°B GC H∠ACB =180°-90°-50°=40°∠ACH =77°∠BCH =77°-40°=37°37ūAns:O 相关知识点: 试题来源: 解析 ∠ACB=180°-90°-50°=40° ∠ACH=77° ∠BCH=77°-40°=37°37 ...
A right triangle has a right angle. 直角三角形有一个角是直角。 This is similar to the right triangle test. 这与直角三角形测试类似。 权威例句 Equable Shape Some problems of Diophantine approximation: The lattice-points of a right-angled triangle. (Second memoir.) ...
9 In the figure below, ABC is a right-angled triangle. BCD and BFE are straight lines. ZBAF is 27. ∠AFB is 77° and ZEDB is 84°.Find ∠BED.A E77°F84%B CD 相关知识点: 试题来源: 解析 ∠ABF=180-77-27°=76°∠EBD=90°-76°=14°∠BED=180°-14°-84°=82° ...
Definition of right-angled triangle noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.