The figure below is a net for a triangular prism. Side a = 47 inches, side b = 13 inches, side c = 33 inches, and altitude d = 23 inches. What is the surface area of this figure? Note: Figure is not drawn to scale. A. 2,914 square inches B. 3,161 square inches C. 2,550 square inches D. 2,121 square inches

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