A black horizontal line is met by an arrow A from above and left. A dotted line B runs down to the horizontal line at a right angle and meets B. B meets the arrow where it strikes the horizontal line. The A and B make an angle C. Use the drop-down menus to identify the parts of the diagram labeled A, B, and C. Label A: Label B: Label C:

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