Important Questions of Class 10 Maths Chapter 9

Important Questions of Class 10 Maths Chapter 9 Some Applications of Trigonometry त्रिकोणमिति के कुछ अनुप्रयोग

NCERT Solutions for Class 10 Maths Chapter 9

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Important Questions of Class 10 Maths Chapter 9 Some Applications of Trigonometry त्रिकोणमिति के कुछ अनुप्रयोग

Important Questions of Class 10 Maths Some Applications of Trigonometry

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Important Questions of Class 10 Maths Chapter 9 Some Applications of Trigonometry त्रिकोणमिति के कुछ अनुप्रयोग


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Important Questions of Class 10 Maths Chapter 9 Some Applications of Trigonometry त्रिकोणमिति के कुछ अनुप्रयोग


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Important Questions of Class 10 Maths Chapter 9 Some Applications of Trigonometry त्रिकोणमिति के कुछ अनुप्रयोग


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Important Questions of Class 10 Maths Chapter 9 Some Applications of Trigonometry त्रिकोणमिति के कुछ अनुप्रयोग


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The shadow of a tower standing on a level ground is found to be 40 m longer when the Sun’s altitude is 300 than when it was 600. Find the height of the tower.

Question 21:

The angle of elevation of the top of a tower from a point on the ground which is 30 m away from the foot of the tower is 300. Find the height of the tower.

Question 22:

From the top of a 7 m high building, the angle of elevation of the top of a cable tower is 600 and the angle of depression of its foot is 450. Determine the height of the tower.

Question 23:

A TV tower stands vertically on the bank of a canal. From a point on the other bank directly opposite the tower, the angle of elevation of the top of the tower is 60°. From another point 20 m away from the point on the line joining this point to the foot of the tower, the angle of elevation of the top of the tower is 30°. Find the height of the tower.

Question 24:

An aeroplane when flying at a height of 4000 m from the ground passes vertically above another aeroplane at an instant when the angles of elevation of the two planes from the same point on the ground are 60° and 45° respectively. Find the vertical distance between the aeroplanes at the instant. (Use √3 = 1.73)

Question 25:

An aeroplane when flying at a height of 3000 m from the ground passes vertically above another aeroplane at an instant when the angles of elevation of the two planes from the same point on the ground are 60° and 45° respectively. Find the vertical distance between the aeroplanes at that instant. Also, find the distance of first plane from the point of observation. (Take √3 = 1.73)

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Important Questions of Class 10 Maths Chapter 9 Some Applications of Trigonometry त्रिकोणमिति के कुछ अनुप्रयोग


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