Scale FactorScale Factor

MA.7.4.2MA.7.4.2

By:By:

What is Scale Factor?What is Scale Factor?

Scale factor is the ratio between the Scale factor is the ratio between the lengths of corresponding sides of two lengths of corresponding sides of two similar figures.similar figures.

Example of Scale FactorExample of Scale Factor

►Scale factor is 2.Scale factor is 2.►Double the length and the width.Double the length and the width.►Area is 4 times greater.Area is 4 times greater.

Question• What is the scale factor?• How much larger is the area of

new square?

SolutionSolution The scale factor is 3.The scale factor is 3. The area is 9 times greater.The area is 9 times greater.

3 3 3 3

CreditsCredits

Thank you for watching my presentation.Thank you for watching my presentation. I hope if you had any questions on scale I hope if you had any questions on scale

factor I had answered it in the factor I had answered it in the presentation.presentation.

If you have any questions I will try to If you have any questions I will try to answer them.answer them.

I got my definition and example from the I got my definition and example from the math on call book.math on call book.

THANK YOU FOR WATCHING!!!!!THANK YOU FOR WATCHING!!!!!