MHB Can You Solve This Geometry Problem with an Equation?

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The discussion centers around setting up an equation for a geometry problem involving areas. The proposed formula is the area of the shaded region minus the area of the non-shaded region. Participants emphasize the importance of showing work to clarify understanding. The conversation confirms the initial formula as correct. Clear communication of the problem is essential for effective assistance.
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Can someone please set up the equation I need for this geometry problem?

I think the formula is:

Area of shaded region minus area of region that is not shades. Yes?

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nycmathdad said:
Can someone please set up the equation I need for this geometry problem?

I think the formula is:

Area of shaded region minus area of region that is not shades. Yes?

View attachment 11035
Your questions are not good enough.
Show your work so far.
 
nycmathdad said:
Area of shaded region minus area of region that is not shades. Yes?
Yes!
 
phymat said:
Yes!

Thanks.
 
Thread 'Erroneously finding discrepancy in transpose rule'

Thread 'Erroneously finding discrepancy in transpose rule'

Obviously, there is something elementary I am missing here. To form the transpose of a matrix, one exchanges rows and columns, so the transpose of a scalar, considered as (or isomorphic to) a one-entry matrix, should stay the same, including if the scalar is a complex number. On the other hand, in the isomorphism between the complex plane and the real plane, a complex number a+bi corresponds to a matrix in the real plane; taking the transpose we get which then corresponds to a-bi...
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