【题目】In Figure, ABCD is a circle, E is a point lying on AC such that BC=CE. It is given that AB =AD, ∠ADB= 58 and ∠CBD = 25.A)58B25D CFind∠BDC and ∠ABE.如图,ABCD为一圆,E为AC上的一点使得BC -CE,已知AB =AD,∠ADB =58及∠CBD =25.求∠BDC及∠ABE, ...
In right Fig,if the length of the segment AB is 1,M is the midpoint of the segment AB,and point C divides the segment MB into two partssuch that MC:CB=1:2,then the length of AC is___.(英汉词典:length长度;segment线段;midpoint中点;divides…into分为,分成) 查看答案和解析>> 科目:...
In the figure above, ABCD is a square. What are the coordinates of point B? A. (-4,2) B. (-2,4) C. (-2,6) D. (4,-6) E. (6,-2) 相关知识点: 试题来源: 解析C 正确答案:C 解析:左上面的图形中,ABCD是一个正方形,B点的坐标是多少?解:本题的正确答案为(C)。设B点的坐标...
In the given figure ABCD is a trapezium in which AB||DC, AB=18cm, DC=32cm and the distance between AB and DC is 14 cm. If arcs of equal radii 7 cm hav been d
(跪求)英语IQ题解答In the figure below ABCD is a quadrilateral of area S.E.F.G.H and G are the midpoints of the sides AB,BC,and CD reapectively IfSI is the area of the triangle EFG,prove that:SI=?不会不要乱打,最好是有过程.
In the adjoining figure, ABCD is a square, ABE is an equilateral triangle and point E is outside square ABCD . What is the measure of ∠AED in degrees?在相邻的图中,ABCD 是正方形,AB E 是等边三角形,点 E 在正方形 ABCD 之外。 ∠AED的度数是多少? A.10 B.12.5 C.15 D.20 E.25 ...
In the figure, {eq}a||b||c {/eq} and {eq}B {/eq} is the midpoint of {eq}\overline{AC} {/eq}. If {eq}AB=4x-3, BC=x+18 {/eq}, and {eq}DE=2x+9 {/eq}, find {eq}EF {/eq}. Lines and Midpoint: Lines are straight segm...
题目【题目】15. In the figure below, ABCD is a square. E, F, G and H are the midpoints of AB, BC, CD and DA, respectively. The are a of square ABCD is a three digit number, and the are a of square EFGH is al-so a three-digit number. These six digits are 4, 5, 6,...
FG=16/3 设正方形边长为a，CG长度为b，FG长度为x a/(a+b)=5/(3+x)b/a=x/8 解得x=16/3 就是运用相似三角形的知识，ADF相似于CFG，ADE相似于BEG，虽然有三个未知数，但是会自然消掉一个。
If ABCD is a quadrilateral, then−−→BA+−−→BC+−−→CD+−−→DA= View Solution Doubtnut is No.1 Study App and Learning App with Instant Video Solutions for NCERT Class 6, Class 7, Class 8, Class 9, Class 10, Class 11 and Class 12, IIT JEE prep, NEET preparation...