Question

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?

Answer 1

its sides will be increased four times
so its dimensions are..

12in by 28in

Answer 2

that is 336

Answer 3

this is the area

Answer 4

yes exactly 336 is the new area

Answer 5

so that is the answer

Answer 6

No enlarging the image sometimes mean enlarging the area also. So to enlarge the area by 4 times your sides have to be doubled

Answer 7

you asked about length it may be 12 or 28

Answer 8

you are confusing me what is the answer

Answer 9

Ans is (2x3) x (2x7) = 84

Answer 10

Sorry length is 2x7 =14

Answer 11

so the answer is 84 or 14

Answer 12

New length is 14

Answer 13

so the answer is 14 am i correct