PROBLEM SOLVING
21. CITY MAP On the map below, Idaho Avenue bisects the angle between
University Avenue and Walter Street. To the nearest yard, what is the distance
along University Avenue from 12th Street to Washington Street?
12th St
University Ave
700 yd
Walter St
Idaho Ave
200 yd
400 yd
Washington St

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