A spherical ornament is placed into a cubic box for shipping so that its surface touches each of the faces of the shown in the d
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ANSWER
A) 7
EXPLANATION
The given triangles are similar
Hence the corresponding sides are in the same proportion.
Simplify the right hand side:
Cross multiply;
6(3x+4)=5×30
Expand
18x+24=180
18x=150-24
18x=126