26 In right-angled isosceles triangle ABC, ∠B A C = 90° and A B = AC. Line MN passes point A and MN ∥ BC. Construct Rt△BDE with point B as a vertex point of an acute angle, ∠BDE= 90°, and point D is on line MN (not coincident with point A).(1)As shown in Fig...
百度试题 结果1 题目(ABC) is a right angled isosceles triangle. (AX=XB) and (BY:YC=1:2).Find the measure of the shaded angle. 相关知识点: 试题来源: 解析 ≈ 135° 反馈 收藏
There are two types of right angled triangle:Isosceles right-angled triangleOne right angle Two other equal angles always of 45° Two equal sidesScalene right-angled triangleOne right angle Two other unequal angles No equal sidesExample: The 3,4,5 Triangle The "3,4,5 Triangle" has a right...
1.(Mathematics)geometrya three-sided polygon that can be classified by angle, as in an acute triangle, or by side, as in an equilateral triangle. Sum of interior angles: 180°; area: base × height 2.any object shaped like a triangle ...
- Since triangle PQR is isosceles and right-angled, angles P and R should both measure 45 degrees, and angle Q should measure 90 degrees. Hint: You can use a protractor to check the angles if needed. Final Notes:- You should now have a right-angled isosceles triangle PQR with PR as ...
(1)interior angle 内角 exterior angle 外角 acute angle 锐角 obtuse angle 钝角 right angle 直角 (2)所有的三角形 equilateral triangle 等边三角形 scalene triangle 不等边三角形 isosceles triangle 等腰三角形 right triangle 直角三角形 (3)有关收敛的平面图形 space 空间 ...
A triangle with one right angle is? A. equilateral triangle B. isosceles triangle C. right triangle 相关知识点: 试题来源: 解析 C。有一个直角的三角形是直角三角形,equilateral triangle 是等边三角形,isosceles triangle 是等腰三角形。反馈 收藏 ...
大致成直角的 2 →seeright-angled triangle 英英释义 right-angled['rait'æŋɡld] adj. 1 forming a right angle or containing one or more right angles a right-angled bend专业释义 语言学 直角的 机械工程 成直角的 网络释义 直角的 ... right-angled 直角的 square 正方形 rectilinear...
的定义 右角三角形 yòujiǎo sānjiǎoxíng 更多...具有直角(90°)的三角形AnyScaleneIsoscelesEquilateralRightAcuteObtuse Right Triangle Has a right angle (90°)Reset © 2016 MathsIsFun.com v0.65版权所有 © 2017 MathsIsFun.comEnglish :: 关于 :: 联系 :: 隐私...
At a right angle - - isosceles triangle with an angular adjustment.SKRDLA RUDOLF, DE