16k cm The diagram shows a square of side kcm.The circle inside the square touches all four sides of the square.(a) The shaded are a is A cm2.Show that4A=4k^2-πk^2 .Answer (a)Answer given[2](b) Make k the subject of the formul a 4 A=4k^2-πk^2 .k=([3] 相关知识...
12The diagram shows a square and two circles.The smaller circle has radius r and touches the sides of the square.The larger circle has radius R and passes through the vertices of the square.ShowthatR=r√2 相关知识点: 试题来源: 解析...
[translate] a消化不良 The digestion is not good[translate] athe diagram shows a circle of radius 3 cm drawn inside a square. 图显示半径3 cm圈子被画在正方形里面。[translate]
The diagram below shows the water cycle, which is the continuous movement of water on, above and below the surface of the Earth. 观察这幅图,大家会发现,这是一个和自然现象相关的流程图,图中标注出了不同的自然地形的名称。 同时,还有一些对写作很有帮助的现象解释,比如这幅图,就给大家介绍了evaporat...
The diagram below shows the process by which bricks are manufactured for the building industry. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. You should write at least 150 words. 【一】Introduction 我先快速完成开头段: The flow chart* ...
(2010 Cayley Mathematical Olympiad #2)The diagram shows a square ABCD and an equilateral triangle ABE. The point F lies on BC so that EC=EF.∴Calculate the angle BEF. 相关知识点: 试题来源: 解析 45∘.The diagram seems to include several isosceles triangles, and we solve the problem by ...
The diagram shows a square PQRS and two equilateral triangles RSU and PST. PQ has length 1. What is the length of TU?A. √2 B. (√3)2 C. √3 D. √5-1 E. √6-1 相关知识点: 试题来源: 解析 A The angles in equilateral triangles are all 60° so ∠ PSU = 90°−60°=...
43. The diagram below shows a square network of roads, A1, A2, A3 and A are four intersections on the same diagonal. We want to go from A to A by going only to the east or to the south, without passing through A3. How many different paths are there? ( )A A2 A、A4(A)8(B)...
我们先一起看到题目: C15 Test 3 The diagram below show how instant noodles are manufactured. 下边是一篇还不错的学生作文: The flow chart illustrates the process to produce instant noodles. Overall, …
The diagram shows a large square of are a 70 cm2. A small square of are a 5 cm2 is cut from each of its four corners and then the sides are folded up along the dotted lines to form an open rectangular box. Find the volume of the rectangular box. (correct to 0.1 cm3) 相关知识...