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What is the surface area of 10,13,5

Guest Mar 1, 2017
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You multiply each set of two numbers, and double them:

 

10 * 13 = 130  -->  130 * 2 = 260

10 * 5 = 50  -->  50 * 2 = 100

13 * 5 = 65  -->  65 * 2 = 130

 

Add the three results together:

 

260 + 100 + 130 = 490

Guest Mar 1, 2017

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