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.
Saltwater is a more natural approach and safer on skin, hair, and your eyes. Pools sanitized with chlorine are generally safe and bacteria free. Chlorine mixes with organic matter and kills unhealthy bacteria. The downside is that it creates chemical compounds that can irritate skin and eyes. Saltwater pools use salt to keep the pool clean rather than chlorine tablets or other chemicals. Chlorine is a byproduct of the salt, so very small amounts are present in saltwater sanitized pools. Saltwater pools are generally considered safer and gentler to your eyes and skin.