Engineering Board Exam Reviewer · Solutions to Right Triangles · medium
ME Board April 1991: A man standing on a 48.5 meter building high, has an eyesight height of 1.5 m from the top of the building, took a depression reading from the top of another nearby building and nearest wall, which are 50° and 80° respectively. Find the height of the nearby building in meters. The man is standing at the edge of the building and both buildings lie on the same horizontal plane.
- 39.49
- 35.50
- 30.74
- 42.55
Answer
A. 39.49
Solution
Eye elevation =48.5+1.5=50 m. Horizontal distance d=50/ 80° 8.82 m. Height of the nearby building =50-d 50° 50-10.51=39.49 m.
More Solutions to Right Triangles questions
- ECE Board April 1998: A man finds the angle of elevation of the top of a tower to be 30°. He walks 85 m nearer the tower and finds its…
- ECE Board April 1994: A pole cast a shadow 15 m long when the angle of elevation of the sun is 61°. If the pole is leaned 15° from the…
- ME Board November 1994: A wire supporting a pole is fastened to it 20 feet from the ground and to the ground 15 feet from the pole…
- CE Board November 1997: The angle of elevation of the top of tower B from the top of tower A is 28° and the angle of elevation of the top…
- ECE Board November 1991: The captain of a ship views the top of a lighthouse at an angle of 60° with the horizontal at an elevation of 6…
- ME Board April 1993: A PLDT tower and a monument stand on a level plane. The angles of depression of the top and bottom of the monument…
- From a window 20 m above the ground, the angle of elevation of the top of the building across the street is 38° and the angle of…
- A balloon hovers directly above a point on level ground. From one point the angle of elevation of the balloon is 60°; from another point…
- The perimeter of a right triangle is 60 and its hypotenuse is 26. Find its area.
- A 13-m ladder stands with its foot 5 m from a wall. The foot is pulled 2 m farther from the wall. How far does the top of the ladder slide…