Engineering Board Exam Reviewer · Solutions to Right Triangles · easy
A 10-m ladder leans against a wall and makes an angle of 60° with the ground. How high up the wall does it reach, in meters?
- 5
- 8.66
- 17.32
- 11.55
Answer
B. 8.66
Solution
The height is opposite the 60° angle: h=10 60°=8.66 m.
More Solutions to Right Triangles questions
- The legs of a right triangle are 9 cm and 12 cm. Find the hypotenuse in cm.
- ECE Board April 1994: Solve for the value of A when A = 3.5x and A = 5.5x.
- 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…
- 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…