Spider Webs The cross threads in a spider web are
Chapter , Problem 8.2.45(choose chapter or problem)
Spider Webs The cross threads in a spider web are approximately equally spaced, and the lengths of the cross threads form an arithmetic sequence. In a certain spider web, the length of the shortest cross thread is 3.5 millimeters and the length of the longest cross thread is 46.9 millimeters. The difference between successive cross threads is 1.4 millimeters. How many cross threads are between two successive radii? crossthreads
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