- Fri Mar 23, 2012 7:53 pm
- Forum: Advanced Algebra ("pre-calculus")
- Topic: Need formula to solve a word problem
- Replies:
**2** - Views:
**3373**

I think you must wrap the wire so that it starts at one end and ends at the other. So unwrap the cylinder so that is is a rectangle 8x30 cm. The wrapped wire crosses this rectangle 10 times so every 3 inches forming 10 right triangles with legs 8 and 3. So the wire is the sqrt of 73 and you have 10 ...