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Mathematics 8 Online
OpenStudy (anonymous):

please help.

OpenStudy (anonymous):

OpenStudy (anonymous):

Can you please help me @mathstudent55?

OpenStudy (mathstudent55):

How long is side AD? How long is side BC?

OpenStudy (anonymous):

AD= 5 BC=7 Am I right?

OpenStudy (mathstudent55):

Good. You need the perimeter, so you need the lengths of all sides added together. Just AD and BC together are 5 + 7 = 12. Now you need to add the lengths of the other two sides, AB and DC.

OpenStudy (mathstudent55):

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