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...
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网络直角三角形 网络释义 1. 直角三角形 测量学专业词汇英语翻译(十九) ... 直角器,直角 cross staff直角三角形right-angle triangle直角三棱镜 right angle prism ... www.zftrans.com|基于31个网页
In a right triangle, if one angle is 90 degrees and another is 30 degrees, the third angle is "__" degrees.A. 30B. 45C. 60D. 90 相关知识点: 试题来源: 解析 C 在任意三角形中,三个内角之和为180度。已知这是一个直角三角形,其中一个角为90度,另一个角为30度。设第三个角为\( x...
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 ...
In a right angle triangle ABC , right angled at B, AB=6cm, BC=8cm ,then AC= ___ . 41.在直角三角形ABC中,在B处成直角,AB=6cm,BC=8cm,然后AC=___。(a) 10(b) 12(c) 21(d) 14Answer 回答(a) 6*6 + 8*8 = 10 * 10 答:(a) 相关知识点: 试题来源: 解析...
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Together with the A bottom piece of the right angle triangle ruler body and height piece is first of scale numerical part is provided, the second of the scale numerical part in the oblique piece portion is provided. A user child, since it is possible to measure the measured object by ...
In a right triangle, the measure of one angle is 55∘, The measure of the smallest angle of this triangle is 90∘−55∘=35∘. 在直角三角形中,一个角的度数是55∘,这个三角形的最小角的度数是( ). A.1∘ B.25∘ C.35∘ D.90∘ 在直角三角形中,一个角的度数是55∘,...
Enter any two known values for a right triangle below to calculate the edge lengths, altitude, angles, area, perimeter, inradius, and circumradius. Leg (a): Leg (b): Hypotenuse (c): Angle (α): Angle (β): Height (h): Area: Perimeter: Right Triangle Properties: leg ...