37.0k views
21 votes
If diana walks forward and her angle looking to the top of the building changes to 40°, how much closer is she to the building? round the answer to the nearest tenth of a foot. 10.3 ft 17.6 ft 30.2 ft 97.2 ft

User LuGo
by
4.7k points

2 Answers

10 votes

Answer:

17.6 Ft

Explanation:

Geometry B E2020!! :3

User Tso
by
4.9k points
4 votes

Answer:

17.6 ft

Explanation:

tan 37 = 130/x

x = 130/tan 37 = 130/0.7536 = 172.5 feet

tan 40 = 130/y

y = 130/tan 40 = 130/0.8391 = 154.9

172.5 - 154.9 = 17.6 ft

User Slouei
by
5.0k points