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“For example, let's have our numbers be 10 and 5, we are going to replace on the formula 2πrh at the end it’s going to look like this 2xπx10x5. Now we can do the math, first we have to multiply the 10 and the 5”
“Yes! That is right Millie, 10x5 is 50. After you have that you multiply your answer times π (you can use a calculator), and that is 157.0796327. After that you double your answer”
“That is 50!”
“that means multiply by 2!”
“yes, that is exactly right Georgina double means times 2, after that, your answer is 314.1592654, but if you rounded to the nearest tenths you will get 314.2”
“Yes that’s right!”
”so the Lateral Surface Area for the water bottle label is 314.2?”
Now that you all know how to do the Surface Area for cylinder, least keep playing.
Made by: Margarita Torres and Emily Rondan
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