One side of a triangle is 6 units longer than a second side. The ray bisecting the angle formed by these sides divides the opposite side into segments that are 9 units and 12 units long. Find the perimeter of the triangle. Give your answer as a reduced fraction or exact decimal

the ozone layer acts as a filter for the shorter wavelength and highly hazardous ultraviolet radiation (uvr) from the sun, protecting life on earth from its potentially harmful effects. when the sky is clear, there is an inverse relationship between stratospheric ozone and solar uvr measured at the earth's surface.

the answer is barium and copper bromide