A. 4 B. 8 C. 12 D. 16 E. 18 相关知识点: 试题来源: 解析 D 正确答案:D解析:The square has an area of 8×8=64, so the length of the rectangle is 64/4=16 (the area of a rectangle is its width times its length).反馈
2 A metal container with square ends of sides x cm and length / cm is shown in the diagram below.X The volume of the container is fixed at 500 cm3.(i) Show that the total surface are a of the container, A cm2, is given by A=2x^2+(2000)/x X(ii) Using differentiation, find...
形状 shape 正方形；四方形；正方形物a shape with four straight sides of equal length and four angles of 90˚; a piece of sth that has this shapeFirst break the chocolate into squares.先把巧克力掰成方块。The floor was tiled in squares of grey and white marble.地上铺的是...
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8. turn the oar, while rowing Adjective 1. having four equal sides and four right angles or forming a right angle; "asquarepeg in a round hole" "asquarecorner" 2. leaving no balance; "my account with you is now allsquare" 3. characterized by honesty and fairness; ...
ABCD is a square with sides 10 cm. O is the centre of the circle.(a) Find AC and the radius of the circle. (Give the answers in surd form.) A(b) Find the are a of the shaded region. (Give the answer in terms of r.)(c)Find the ratio of the are a of the shaded region...
A. square with four sides shaded B. square with no sides shaded C. square with one side shaded again D. square with two sides shaded again 相关知识点: 试题来源: 解析 A。本题规律是正方形被阴影覆盖的边数依次增加,所以下一个应该是四条边都被阴影覆盖的正方形。B 选项没有边被阴影覆盖,不符...
~ (with sth) (和某物)相齐,平行level with or parallel to sth 钱with money 7. (informal) 彼此无欠账的;两清的;结清账的if two people aresquare, neither of them owes money to the other 体育运动in sport 8. ~ (with sb) 打平的;平局的if two teams aresquare, they have the same number...