# Enlargement scale factor

Similar triangle XYZ has a scale factor of 2 compared to triangle ABC.Let students practice their knowledge about enlargement scale factor through this worksheet.Scale Factor- The constant factor by which all dimensions of an object are enlarged or reduced in a scale drawing, the dimensions of this rectangle are multiplied by 3.

### Scale Drawing Blowing up a Candy Bar / Comic Strip

Enter the original and full size of your design and it will tell you what percent (200%, 400%, etc.) to scale to when using a photocopier.

### 3.Scale Factor - Mrs. Bramall - Home

Enlarge the shapes using the Scale Factors and Centres of Enlargements given.Despite the name enlargement, it includes making objects smaller because the shape can be bigger or smaller according to the scale factor, k.Answer: Enlargement, scale factor 3, centre of enlargement (-8, 9) Check the lengths of the sides: each side is 3x larger, so it is a scale factor of 3.Enlargements (F) A collection of 9-1 Maths GCSE Sample and Specimen questions from AQA, OCR, Pearson-Edexcel and WJEC Eduqas Name: Total Marks: 1.Objective: Transform a shape given a centre of enlargement and a scale factor (including negative and fractional).

An example on how to enlarge a shape by a positive and negative scale factor for GCSE revision.If you begin with the smaller figure, your scale factor will be less than one.

Mod 13 Dilation and Scale Factor study guide by lnperez includes 20 questions covering vocabulary, terms and more.Draw ray lines from each pair of vertices on the two shapes to intersect at (-8, 9). this is the centre of enlargement.From scale factor enlargement worksheets to enlargement reduction videos, quickly find teacher-reviewed educational resources.

### PowerPoint Presentation

The learner will also be able to identify where scale factor is used in real world concepts.Students need to understand the concept of scale factor as the amount of enlargement or reduction needed to create an object similar in shape but different in size to the given object and that scale factors are positive numbers without units.

When the scale factor is a positive number smaller than 1, scaling is sometimes also called contraction.Enlargement Objectives: C Grade Enlarge a shape by a fractional scale factor Compare the area of an enlarged shape with the original shape Find the centre of enlargement.For each diagram draw the enlargement from the centre of enlargement, o, by the given scale factor: Scale Factor 2. S.F. 3. S.F. 3. S.F. 4 Extension Questions.

### Enlargements (F) A collection of 9-1 Maths GCSE Sample and

Enlargements Objectives To be able to: Enlarge shapes given a scale factor and centre of enlargement.How it works: Fill in the original DPI and the reduction or enlargement percentage and click Calculate to receive the new, modified DPI.

Determine the linear scale factor of the enlargement in simplest ratio form. 1 m Emillie has a rectangular-shaped political cartoon drawing measuring 16 cm x 24 cm.A dilation is a transformation that produces an image that is the same shape as the original, but is a different size.Click the numbered buttons to view the steps required to enlarge the triangle.

### Lesson 7.1 Scale Diagrams and Enlargements - Wikispaces

Enlargement- An increase in the dimensions of an object by a constant factor can be 2-D or 3D for example each dimensions of this enlargement is twice the length of the original.

### IXL | Scale drawings: word problems | 7th grade math

The scale factor, or linear scale factor, is the ratio of two corresponding side lengths of similar figures.

If a square of side 5cm is enlarged to a square of side 35cm, what is the scale factor of enlargement.

The lengths have doubled, but the angles have stayed the same.Enlargement, scale factor k, centre (0,0) where k > 0.Remember: For any pair of similar figures, corresponding sides are in the same ratio, and corresponding angles are equal.