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## Main Question or Discussion Point

I want to find the value of r such that:

sqrt[(r^2)+(110^2)] + r = 160

Is there a way of doing it?

I have found a solution through trial and error (1dp). But I want a method of finding an exact answer.

Thanks

sqrt[(r^2)+(110^2)] + r = 160

Is there a way of doing it?

I have found a solution through trial and error (1dp). But I want a method of finding an exact answer.

Thanks