Angles 2, 3, 6, and 7 are equal to one another. Angle 2 is vertical to angle 3, and angle 6 is vertical to angle 7. The sum of any two adjacent angles, such as 1 and 2 or 7 and 8, equals 180Âº because they form a straight angle lying on a line.
Improvised Explosive Devices (IEDs) / Booby Traps. IED Overview. An IED can be almost anything with any type of material and initiator. It is a homemade device that is designed to cause death or injury by using explosives alone or in combination with toxic chemicals, biological toxins, or radiological material.
Improvised Explosive Devices A Multifaceted Threat. A car bomb explodes in Iraq. The battle against improvised explosive devices (IEDs) is fought on a shifting technological landscape as terrorists continuously change their ways to try to stay a step ahead of allied countermeasures. No one-size-fits-all solution will stop terrorist bombers.