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Mathematics 12 Online
OpenStudy (anonymous):

ABCD is a rectangle. Find the length of each diagonal. AC= 2(5a+1) BD= 2(a+1)

OpenStudy (mathstudent55):

Diagonals are congruent.

OpenStudy (anonymous):

equate the diagonals, since they are equal. 10a+2=2a+2

OpenStudy (mathstudent55):

Set the two expressions in x equal and solve for x. Then plug x into either one of them to get the length.

OpenStudy (anonymous):

thank you so much!

OpenStudy (mathstudent55):

wlcm

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