When a side of an inscribed angle contains a diameter of the circle, it is easy to see that the measure of the inscribed angle is half the measure of its intercepted arc: because triangle AOB is isosceles (BO and AO are radii). But. because an external angle of a triangle is the sum to the two remote interior angles.
How it is Used. Chlorine is commonly used to kill bacteria in water. It is widely used to purify swimming pool, spa and drinking water. When it is dissolved in sodium hydrate it can be made into chlorine bleach or disinfectant.Disinfectant is used to kill germs, and chlorine bleach is used to whiten clothes and to disinfect.ow it is Used. Chlorine is commonly used to kill bacteria in water. It is widely used to purify swimming pool, spa and drinking water. When it is dissolved in sodium hydrate it can be made into chlorine bleach or disinfectant.
It depends on a number of factors including how much chlorine is consumed in doing its job of oxodizing radicals in the water. its added by the city get a carbon filter for your house and that will get rid of 99 percent of chlorine and ammonia and.   Chlorine kills germs in pools--but it takes time to work.