Question

A ladder leans against a building, making a 70° angle of elevation with the ground. The top of the ladder reaches a point on the building that is 39 feet above the ground.
To the nearest tenth of a foot, what is the distance between the base of the building and the base of the ladder?

Question 4 options:

13.3 ft


14.2 ft


36.6 ft


41.5 ft


Question 5
A bird fountain is located 6 m from the base of Joey's apartment building. From his window, Joey can see it at a 51° angle of depression.

To the nearest tenth of a meter, how far up the building is Joey's window?

Question 5 options:

4.9 m


7.4 m


7.7 m


9.5 m

Answer 1

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➷ It would help if you drew it out as a triangle

You will notice that you need to use tan

tan70 = 39/x

x = 39/tan70

x = 14.194

The correct option would be 14.2 ft

You will need to use tan

tan51 = 6/x

x = 6/tan51

x = 4.8587

The correct option would be 4.9m

✽

➶ Hope This Helps You!

➶ Good Luck (:

➶ Have A Great Day ^-^

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