The diagram contains three squares. Three additional segments have been drawn that connect corners of the squares. We want to find the exact value of a+b+c . 1. Find the exact value of a+b+c by reasoning about the diagram.

according to the triangle sum theorem, all the angles in a triangle must add up to 180 degrees. if we know one angle is already 90, we do 180-90=90. the other 2 angles must add up to 90, exactly.

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0.6, 3/5, and 6% are the 3 same portion.

but, when they're all changed to a decimal they would equal to 0.6.

hope this , good luck!

i'm sorry i don't know

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i am not sure :

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