Tiwari Academy Discussion

Dalbir

Asked: November 1, 2020In: Class 10

Draw the graphs of the equations x – y + 1 = 0 and 3x + 2y – 12 = 0. Determine the coordinates of the vertices of the triangle formed by these lines and the x-axis, and shade the triangular region.

NCERT Solutions for Class 10 Maths Chapter 3 Important NCERT Questions Pair Of Linear Equation In Two Variables NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 3.2 Page No:50 Questions No:7

Himmat Rustagi

Asked: October 30, 2020In: Class 9

A circus artist is climbing a 20 m long rope, which is tightly stretched and tied from the top of a vertical pole to the ground. Find the height of the pole, if the angle made by the rope with the ground level is 30°.

NCERT Solutions for Class 10 Maths Chapter 9 Important NCERT Questions SOME APPLICAT IONS OF TRIGONOMETRY (Height and Distance) NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 9.1 Page No:203 Questions No:1

Himmat Rustagi

Asked: October 30, 2020In: Class 9

A tree breaks due to storm and the broken part bends so that the top of the tree touches the ground making an angle 30° with it. The distance between the foot of the tree to the point where the top touches the ground is 8 m. Find the height of the tree.

NCERT Solutions for Class 10 Maths Chapter 9 Important NCERT Questions SOME APPLICAT IONS OF TRIGONOMETRY (Height and Distance) NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 9.1 Page No:213 Questions No:2

Himmat Rustagi

Asked: October 30, 2020In: Class 10

A contractor plans to install two slides for the children to play in a park. For the children below the age of 5 years, she prefers to have a slide whose top is at a height of 1.5 m, is inclined at an angle of 30° to the ground, whereas for elder children, she wants to have a steep slide at a height of 3m, and inclined at an angle of 60° to the ground. What should be the length of the slide in each case?

NCERT Solutions for Class 10 Maths Chapter 9 Important NCERT Questions SOME APPLICAT IONS OF TRIGONOMETRY (Height and Distance) NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 9.1 Page No:213 Questions No:3

Himmat Rustagi

Asked: October 30, 2020In: Class 10

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 30°. Find the height of the tower.

NCERT Solutions for Class 10 Maths Chapter 9 Important NCERT Questions SOME APPLICAT IONS OF TRIGONOMETRY (Height and Distance) NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 9.1 Page No:204 Questions No:4

Himmat Rustagi

Asked: October 30, 2020In: Class 10

A kite is flying at a height of 60 m above the ground. The string attached to the kite is temporarily tied to a point on the ground. The inclination of the string with the ground is 60°. Find the length of the string, assuming that there is no slack in the string.

NCERT Solutions for Class 10 Maths Chapter 9 Important NCERT Questions SOME APPLICAT IONS OF TRIGONOMETRY (Height and Distance) NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 9.1 Page No:204 Questions No:5

Himmat Rustagi

Asked: October 30, 2020In: Class 9

A 1.5 m tall boy is standing at some distance from a 30 m tall building. The angle of elevation from his eyes to the top of the building increases from 30° to 60° as he walks towards the building. Find the distance he walked towards the building.

NCERT Solutions for Class 10 Maths Chapter 9 Important NCERT Questions SOME APPLICAT IONS OF TRIGONOMETRY (Height and Distance) NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 9.1 Page No:204 Questions No:6

Amaira

Asked: October 30, 2020In: Class 10

The angles of elevation of the top of a tower from two points at a distance of 4 m and 9 m from the base of the tower and in the same straight line with it are complementary. Prove that the height of the tower is 6 m.

NCERT Solutions for Class 10 Maths Chapter 9 Important NCERT Questions SOME APPLICAT IONS OF TRIGONOMETRY (Height and Distance) NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 9.1 Page No:205 Questions No:16

Himmat Rustagi

Asked: October 30, 2020In: Class 9

From a point on the ground, the angles of elevation of the bottom and the top of a transmission tower fixed at the top of a 20 m high building are 45° and 60° respectively. Find the height of the tower.

NCERT Solutions for Class 10 Maths Chapter 9 Important NCERT Questions SOME APPLICAT IONS OF TRIGONOMETRY (Height and Distance) NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 9.1 Page No:204 Questions No:7

Himmat Rustagi

Asked: October 30, 2020In: Class 9

A statue, 1.6 m tall, stands on the top of a pedestal. From a point on the ground, the angle of elevation of the top of the statue is 60° and from the same point the angle of elevation of the top of the pedestal is 45°. Find the height of the pedestal.

NCERT Solutions for Class 10 Maths Chapter 9 Important NCERT Questions SOME APPLICAT IONS OF TRIGONOMETRY (Height and Distance) NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 9.1 Page No:204 Questions No:8

Draw the graphs of the equations x – y + 1 = 0 and 3x + 2y – 12 = 0. Determine the coordinates of the vertices of the triangle formed by these lines and the x-axis, and shade the triangular region.

A circus artist is climbing a 20 m long rope, which is tightly stretched and tied from the top of a vertical pole to the ground. Find the height of the pole, if the angle made by the rope with the ground level is 30°.

A tree breaks due to storm and the broken part bends so that the top of the tree touches the ground making an angle 30° with it. The distance between the foot of the tree to the point where the top touches the ground is 8 m. Find the height of the tree.

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 30°. Find the height of the tower.

A kite is flying at a height of 60 m above the ground. The string attached to the kite is temporarily tied to a point on the ground. The inclination of the string with the ground is 60°. Find the length of the string, assuming that there is no slack in the string.

A 1.5 m tall boy is standing at some distance from a 30 m tall building. The angle of elevation from his eyes to the top of the building increases from 30° to 60° as he walks towards the building. Find the distance he walked towards the building.

The angles of elevation of the top of a tower from two points at a distance of 4 m and 9 m from the base of the tower and in the same straight line with it are complementary. Prove that the height of the tower is 6 m.

From a point on the ground, the angles of elevation of the bottom and the top of a transmission tower fixed at the top of a 20 m high building are 45° and 60° respectively. Find the height of the tower.

A statue, 1.6 m tall, stands on the top of a pedestal. From a point on the ground, the angle of elevation of the top of the statue is 60° and from the same point the angle of elevation of the top of the pedestal is 45°. Find the height of the pedestal.

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