Problem Solving (PS) | In the figure above, what is r + s in terms of x?

Angles sum to180

\(r + s + (90 - x) + 90 = 180\)

\(r + s + 90 - x + 90 = 180\)
\(r + s - x = 0\)
\(r + s = x\)
Answer A
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