Asked by student #1

A pizza shop is considering increasing the diameter of its family pizza tray from 32 cm to 34 cm. Find the percentage increase in area, correct to two decimal places, from the 32 cm tray to the 34 cm tray.

Answers

Answered by oobleck
(34/32)^2 = 1.1289
so, a 12.89% increase

recall that area increases as the square of the linear scale factor
Answered by Hope
How did you get this working out? would you mind showing this step by step? :)
Answered by Salem
Reply to @Hope,

I know this is 1 year later, but if you're still stuck he put this equation into a calculator then pressed the S to D button to transform it from a fraction to a decimal hope this helps.
Answered by ur nan
@hope thanks
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