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Mathematics 15 Online
OpenStudy (anonymous):

Can anyone tell me if i did number 12 right ? I am going to post a pic of it

OpenStudy (anonymous):

OpenStudy (anonymous):

You are correct

OpenStudy (anonymous):

AC has to be 42, since parallelogram diagonals bisect each other and half of AC is 21. 7x = 42 implies x = 6

OpenStudy (anonymous):

can you help me on number 18 and 19 but first start off on number 18 please? i can send the pic after you respond

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