Ask your own question, for FREE!
Mathematics 7 Online
OpenStudy (anonymous):

An overhead projector enlarges the image on its glass by a scale factor of 4. A rectangle that is 3 inches wide and 7 inches long on the glass is projected on a screen. What is the length of the rectangle on the screen?

OpenStudy (anonymous):

id like to know how to get the answer as well :)

OpenStudy (mathstudent55):

What does "scale factor of 4" mean?

OpenStudy (mathstudent55):

Here's a visual explanation of "scale factor." |dw:1398746536283:dw|

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!