Question

Delisa is designing a website that will be viewable on both computers and mobile devices, so the website as it is seen on a mobile device is proportional to the website as it is seen on a computer. The diagonal of Delisa's computer monitor is 21 inches, and the diagonal of Delisa's tablet is 9.3 inches.

If an image is 21 centimeters wide on the website when it's displayed on Delisa's computer, how wide should the image be on the tablet? Round to the nearest tenth of a millimeter, if necessary.

Answer 1

@geerky42

Answer 2

do you do 21*9.3

Answer 3

Use proportional: \(\dfrac{21 cm ~diagonal }{9.3cm~diagonal }=\dfrac{21cm~width}{x}\)

Answer 4

don't forgot to convert your answer from cm to mm

Answer 5

so the answer is 474.2

Answer 6

correct or not?

Answer 7

@geerky42

Answer 8

@Gatsby