e.g. matrix T represents an enlargement with scale factor\frac{1}{2}about (0,0)followed by a reflection in x-axis. Find matrix T. 画两个草图: enlargement with scale factor\frac{1}{2}about (0,0)(命名为matrix E) 可以得出E=\begin{equation} \left( \begin{array}{ccc} \frac{1}{2...
结果1 题目 2. The scale factor of enlargement and centre of enlargement are both given. Copy and complete the diagram. A B OC scale factor of enlargement is -2.5 相关知识点: 试题来源: 解析 飞F C 、《 1 Bì A 反馈 收藏 ...
结果1 题目 Draw the enlargement of the given triangle, using a scale factor of -2,(-2, 1) as the centre of enlargement.y1412108642-14-12-10-8-6-4-202468101214-2-4-6-810-12-14 相关知识点: 试题来源: 解析 (P(AB)=)74°(PA=)6-5cm 反馈 收藏 ...
Divide the distance from the centre of enlargement to any point on the image by the distance to the same point on the object TO FIND THE SCALE FACTOR OR Either divide any side of the image by the equivalent side in the object To find the centre of enlargement Join up the same point on...
Enlarge the triangle ABC by scale factor 222 about the point O. Draw a ray line. Choose a point to start with. Point A is a good place to start as it is across from the centre of enlargement, point O. Draw a ray line from point O through point A and extend the line. 2Mark the...
We have found the centre of enlargement. We can find the scale factor. 7 Find the length of a side on the enlarged shape. The length of the side A'B' is 4. 8 Find the length of the corresponding side on the original shape. The length of the side AB is 2. 9 Divide the ...
结果1 结果2 题目The grid shows anarrow.On the grid, draw an enlargement of scale factor 2 of the arrow.Use pointC as the centre of enlargement. 相关知识点: 试题来源: 解析 Correct enlargement withinthe tolerance asshown on the overlay, withvertices joinedAt least 5 vertices correct orThe ...
- 位似Enlargement,我们需要知道位似中心centre of enlargement, 位似比scale factor(SF),即位似中心到像的距离与位似中心到对象的距离之比)。 另外,连续两个或多个变换依次进行,则可以看作一个变换,称为这几个变换的合成变换Combined transformations。 圆和尺规作图circles and constructions 我们需要掌握的是三部分...
A scale factor of 2 and -2 is chosen. Show Video Lesson Enlargement with Fractional and Negative Scale Factors GCSE Maths revision Exam paper practice & help. Example: Triangle PQR is shown on the grid. (a) Enlarge triangle PQR by scale factor 1/3 with centre of enlargement C(4,5) ...
On the grid, draw an enlargement of the1triangle with scale factor 相关知识点: 试题来源: 解析 A'(0.5,0.5) B'(2,0,5) C'(2,0.5) ± 1/4 square on base or heightB1isosceles trianglewith base 2 cm orheight 3 cm in any orientationoracute angled triangle with base 2 cm andheight 3...