Astudent in the united states has an friend overseas with whom she corresponds by computer. the foreign student says, "if you write the latitude and longitude of my school in radians instead of degrees, you get the coordinates 0.6227 radians north latitude and 2.438 radians east longitude". convert the coordinates back to degrees

Grace is standing 18 feet from a lighthouse and kelly is standing 10 feet from grace. the angle that grace looks up to see the top of the lighthouse is 45°. the angle that kelly looks up to see the top of the lighthouse is y°. find the height, h, of the lighthouse. find the angle, rounded to the nearest tenth of a degree, in which kelly looks up to the top of the lighthouse. to the nearest tenth of a degree, find the value of x° . in two or more sentences, explain your calculations