If two lines are cut by a transversal and the alternate exterior angles are congruent, the lines are parallel. Interiors on Same Side Converse. If two lines are cut by a transversal and the interior angles on the same side of the transversal are supplementary, the lines are parallel.
The open port checker is a tool you can use to check your external IP address and detect open ports on your connection. This tool is useful for finding out if your port forwarding is setup correctly or if your server applications are being blocked by a firewall.
1 To do this, insert the black probe into the COM or - jack and insert the red probe into the A jack. 2  Shut off power to the circuit. 3  Open the portion of the circuit that is to be tested (one lead or the other of the resistor).