Heights and Distances ( Part 6) Some Applications of Trigonometry | CBSE | Class 10 | Math
Shiksha Abhiyan
in
- 5
- Episodes
- 2020
- First episode
About Heights and Distances ( Part 6) Some Applications of Trigonometry | CBSE | Class 10 | Math
This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||
- Publisher
- Shiksha Abhiyan
- Category
- education
- Language
- hi
- Explicit
- No
- First episode
- 22 Oct 2020
- Latest episode
- 22 Oct 2020
Latest episodes
5 episodes in the feed.
22 Oct 2020
Q5. 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.
22 Oct 2020
Q4. A boy standing on a horizontal plane fmds a. bird flying at a distance of 100 m from him at an elevation of 30°. A'girl standing on the roof of a 20 m high building, finds the angle of elevation of the same bird to be 45°. The boy and the girl are on the opposite sides of the bird. Find the distance of the bird from the girl.
22 Oct 2020
Q3. The angles of elevation of the top of a tower from two points on the ground at distances a metres and b metres from the base of the tower and in the same straight line are complementary. Prove that the height of the tower is VAB, metres.
22 Oct 2020
Q2. A person standing on the bank of a river observes that the angle of elevation of the top of a tree standing on the opposite bank is 60°. When he moves 30 m away from the bank, he fmds the angle of elevation to be 30°. Find the height of the tree and the width of the river.
22 Oct 2020
Q1. A tree breaks due to storm and the broken part bends so that the top of the tree touches the ground making an angle of 30°with it. The distance between the foot of the tree to the point where the top touches the ground is 9 m. find the height of the tree.
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