Engineering Board Exam Reviewer · Solutions to Right Triangles · medium
A straight road rises 12 m for every 100 m measured along the road. Find its angle of inclination with the horizontal, in degrees.
- 83.11°
- 6.89°
- 3.44°
- 12°
Answer
B. 6.89°
Solution
=12/100 = 0.12=6.89°.
More Solutions to Right Triangles questions
- From a point 80 m from a building, the angle of elevation of the top of the building is 30° and the angle of elevation of the top of a…
- A ship sails 12 km due east and then 5 km due north. At what angle, measured from north toward east, is its final position from the…
- A kite string 120 m long is held taut and makes an angle of 50° with the horizontal. Find the height of the kite above the hand, in meters.
- From the top of a 40-m cliff, the angle of depression of a boat on the sea is 25°. How far is the boat from the foot of the cliff, in…
- In a right triangle the hypotenuse is 20 cm and one acute angle is 30°. Find the side opposite that angle, in cm.
- A vertical pole 6 m tall casts a shadow 8 m long on level ground. Find the angle of elevation of the sun, in degrees.
- From a point 50 m from the foot of a tower on level ground, the angle of elevation of the top is 35°. Find the height of the tower in…
- 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?
- 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.