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Math geometry placemats
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11 votes
11 votes
Math geometry placemats

Math geometry placemats-example-1
User NuzzeSicK
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1 Answer

4 votes
4 votes

Let's call the missing side ? as shown in the problem.

Now set up a equation where everything adds up to 28x+11

?+8x+2+8x+2+5x+12=28x+11

?+21x+16=28x+11

?=28x-21x+11-16

?=7x-5

So 7x-5 is the missing side!

Hope it helps :D

User Vijayashankard
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