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10th CBSE
IMPORTANT
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The string of a kite is 100 m long and it makes an angle of 60° with the horizontal. If there is no slack in the string, the height of the kite from the ground is

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Important Questions on Some Applications of Trigonometry

MEDIUM
10th CBSE
IMPORTANT
Modern's abc+ of Mathematics for Class 10>Chapter 9 - Some Applications of Trigonometry>FOR ASSESSMENT>Q 6
If the length of shadow of a pole on a level ground is equal to the length of the pole, the angle of elevation of sun is:
MEDIUM
10th CBSE
IMPORTANT
Modern's abc+ of Mathematics for Class 10>Chapter 9 - Some Applications of Trigonometry>FOR ASSESSMENT>Q 7
The ratio of the length of a rod and its shadow is 1:3. The angle of elevation of the sun is:
MEDIUM
10th CBSE
IMPORTANT
Modern's abc+ of Mathematics for Class 10>Chapter 9 - Some Applications of Trigonometry>FOR ASSESSMENT>Q 8
If the elevation of the sun changes from 30° to 60°, then the difference between the length of the shadows of a pole 15 m high is:
MEDIUM
10th CBSE
IMPORTANT
Modern's abc+ of Mathematics for Class 10>Chapter 9 - Some Applications of Trigonometry>FOR ASSESSMENT>Q 9
The top of two poles of height 20 m and 14 m are connected by a wire. If the wire makes an angle of 30° with horizontal, then the length of the wire is
MEDIUM
10th CBSE
IMPORTANT
Modern's abc+ of Mathematics for Class 10>Chapter 9 - Some Applications of Trigonometry>FOR ASSESSMENT>Q 10
The height of a tower is 100 m. When the angle of elevation of the sun changes from 30° to 45°, the shadow of the tower becomes x metres less. The value of x is:
MEDIUM
10th CBSE
IMPORTANT
Modern's abc+ of Mathematics for Class 10>Chapter 9 - Some Applications of Trigonometry>FOR ASSESSMENT>Q 11
If the angles of elevation of the top of a tower from two points at distances a and b from the base and in the same straight line with it are complementary, then the height of the tower is
HARD
10th CBSE
IMPORTANT
Modern's abc+ of Mathematics for Class 10>Chapter 9 - Some Applications of Trigonometry>FOR ASSESSMENT>Q 12
If a 1.5 m tall girl stands at a distance of 3 m from a bank-post and casts a shadow of length 4.5 m on the ground, then the height of the bank-post is:
HARD
10th CBSE
IMPORTANT
Modern's abc+ of Mathematics for Class 10>Chapter 9 - Some Applications of Trigonometry>FOR ASSESSMENT>Q 13
The shadow of a vertical tower on level ground increases by 10 m when the altitude of the sun changes from 45° to 30°. The height of the tower is: