*19 The diagram shows three straight lines forming a triangle.Diagram NOT accurately drawn44°102°x,Work out the size of the angle marked x.Give reasons for your answer.122 and reasons 相关知识点: 试题来源: 解析 122 and reasonsM1 for a complete method to find the required angleAlfor x ...
9D A20cm10cm10cm B20cm CThe diagram shows four straight lines, AD, BC, AC and BD. Lines AC and BD intersect at O such that angle AOB is radians. AB is an arc of the circle, centre O and radius 10cm, and CD is an arc of the circle, centre O and radius 20 cm.(i) Find ...
Look at the diagram, made from four straight lines.The lines markedwith arrows are parallel.Work out the sizes of the angles marked with letters.a =___ ° b = ___°c = ___° d = ___°相关知识点: 试题来源: 解析 Gives all ...
百度试题 结果1 题目 12NOT TO70SCALE The diagram shows a straight line intersecting two parallel lines.Find the value of p and the value of q.110.70q=---[2] 相关知识点: 试题来源: 解析 11070 反馈 收藏
The bottom part of the diagram shows some contour lines with a straight line running through the location of the maximum value. The curve at the top represents the values along that straight line.The idea of lines that join points of equal value was rediscovered several times. In 1701, used...
百度试题 结果1 题目7.In the diagram below, AC and BD are straight lines.∠FEC is half of ∠BEC. ∠DEC is 50. What is ∠FEC? 3A D50°B C(1)45°(2)50°.(3)65°(4)80° 相关知识点: 试题来源: 解析 3 反馈 收藏
结果1 题目1Diagram NOT accurately drawn X。144°2r°In the diagram, the four straight lines meet at a point. Find the value of x.2x+x+144+90=360x=42X =42 相关知识点: 试题来源: 解析 2x+x+144+90=360 x =4242 反馈 收藏
The three lines in the diagram respectively demonstrate the fluctuating ratios of senior citizens at and over 65 years old in Japan, Sweden and the USA during the period between 1940 and 2040. The old-age population in America appears to have been the largest in the 20th Century. ln 1940,...
222 In the diagram, ABCD is a square, ADE and BFE are Estraight lines.(a) Show that AAEB is similar to ADEF .F DC(b) If DE = 1.5 cm and DF= 1 cm, find the area of the square ABCD.ABCD=9cm^2 Answer (a)A B[2] 相关知识点: 试题来源: 解析 ABCD=9cm² 反馈 收藏...
there are questi hard there are so many cla there are things that there are three speci there being no one in there being no one to there cant be no no g there go the house li there has gotta be so there has many qingda there is a beautiful there is a bus coming there is a col...