Some Applications of Trignometry Chapter Boards Questions Class 10 CBSE
Here we provide Class 10 Maths important notes,board questions and predicted questions with Answers for chapter Some Applications of Trignometry. These important notes,board questions and predicted questions are based on CBSE board curriculum and correspond to the most recent Class 10 Maths syllabus. By practising these Class 10 materials, students will be able to quickly review all of the ideas covered in the chheightter and prepare for the Class 10 Board examinations.
Some Applications of Trignometry Boards Questions
Some Applications of Trignometry Boards Questions
2016
Q1
A ladder, leaning against a wall, makes an angle of 60° with the horizontal. If the foot of the
ladder is 2.5 m away from the wall, find the length of the ladder.
solutions
solutions
Q2
A man standing on the deck of a ship, which is 10 m above water level, observes the angle of
elevation of the top of a hill as 60° and the angle of depression of the base of hill as 30°. Find
the distance of the hill from the ship and the height of the hill.
solutions
solutions
Q3
The angle of elevation of the top Q of a vertical tower PQ from a point X on the ground is 60°. From
a point Y, 40 m vertically above X, the angle of elevation of the top Q of tower is 45°. Find the
height of the tower PQ and the
distance PX. ( Use √3 =1.73 )
solutions
solutions
2017
Q4
If a tower 30 m high, casts a shadow 10√3 m long on the ground, then what is the angle of
elevation of the sun ?
solutions
solutions
Q5
On a straight line passing through the foot of a tower, two points C and D are at distances of 4 m
and 16 m from the foot respectively. If the angles of elevation from C and D of the top of the tower
are complementary, then find the height of the tower.
solutions
solutions
Q6
The ratio of the length of a vertical rod and the length of its shadow is 1 : √3. Find the
angle of elevation of the sun at that moment?
solutions
solutions
2018
Q7
The rod AC of a TV disc antenna is fixed at right angles to the wall AB and a rod CD is supporting
the disc as shown in Fig. If AC = 1.5 m long and CD = 3 m, find
(i) tan θ
(ii) sec θ + cosec θ
solutions
(i) tan θ
(ii) sec θ + cosec θ
solutions
2019
Q8
A vertical tower stands on a horizontal plane and is surmounted by a vertical flag-staff of height 6
m. At a point on the plane, the angle of elevation of the bottom and top of the flag-staff are 30°
and 45° respectively. Find the height of the tower. (Take √ = 1.73)
solutions
solutions
2020
Q9
The angle of elevation of the top of a building from the foot of a tower is 30°. The angle of
elevation of the top of the tower from the foot of the building is 60°. If the tower is 60 m high,
find the height of the building.
solutions
solutions
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