Boundary is a border that encloses a space or an area. The distance around the boundary is called as 'perimeter'. The length of the three sides of a triangular field is 9 m, 5 m, and 11 m. The boundary or perimeter of the field is given as 9 m + 5 m + 11 m = 25 m.
Adverse Reactions: Vivactil is more likely to aggravate agitation and anxiety and produce cardiovascular reactions such as increased heart rate and hypotension. Possible side effects may include palpitation, insomnia, panic, nightmares, headache, weakness, fatigue, dry mouth, edema, abdominal cramps, and black tongue.
Beta-blockers, such as propranolol and atenolol, are also helpful in the treatment of the physical symptoms of anxiety, especially social anxiety. Physicians prescribe them to control rapid heartbeat, shaking, trembling, and blushing in anxious situations.