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Mathematics 12 Online
OpenStudy (anonymous):

I need help please :3

OpenStudy (anonymous):

OpenStudy (anonymous):

There is a formula for the side x considering the external and internal sides

OpenStudy (anonymous):

|dw:1400463356023:dw|

OpenStudy (anonymous):

I think B

OpenStudy (anonymous):

Specifically for this diagram we see it to be:\[(a+b) \times b =( d+x) \times d\]

OpenStudy (anonymous):

Substitute what you know and solve for what you do not know

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