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Help with this??? please
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Help with this??? please

Help with this??? please-example-1
User Sansh
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1 Answer

2 votes
Look at the picture.

Use the Pythagorean theorem.


(19+r)^2=r^2+35^2\\\\19^2+2\cdot19\cdot r+r^2=r^2+1225\ \ \ |-r^2\\\\361+38r=1225\ \ \ |-361\\\\38r=864\ \ \ |:38\\\\r\approx22.737

The diameter d = 2r.

Therefore


d=2\cdot22.737=45.474\approx45.5

Answer: 45.5
Help with this??? please-example-1
User Andrei Karcheuski
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