The cross-sectional area of a wide-flange I-beam has the handbook value of I = 654 in.4 by treating the section a

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I got 736.478 but that's incorrect. Need help.

The cross-sectional area of a wide-flange l-beam has the dimensions shown. Obtain a close approximation to the
handbook value of I, = 654 in.“ by treating the section as being composed of three rectangles.
%3D
+-x
16.25"
0.380"
E7.073"
0.628"
Answer: I =
i
736.478
in.4
%3D
Transcribed Image Text:The cross-sectional area of a wide-flange l-beam has the dimensions shown. Obtain a close approximation to the handbook value of I, = 654 in.“ by treating the section as being composed of three rectangles. %3D +-x 16.25" 0.380" E7.073" 0.628" Answer: I = i 736.478 in.4 %3D
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