Quiz about Trigonometry

Question 1

85 m If the string makes an angle $$	heta$$ with the ground level such that $$	an 	heta=\frac{15}{8},$$ then the kite is at what height from the ground?

Accepted Answer

Covalent bond

Answer

$$75 {~m}$$

Answer

$$50 {~m}$$

Answer

$$55 {~m}$$

Answer

$$70 {~m}$$

Question 2

A cyclist is climbing through a $$20 {~m}$$ long rope which is highly stretched and tied from the top of a vertical pole to the ground as shown below: 
![](http://admin.getprephub.com/media/editor/3289_20211219203802932643.png)

**Which mathematical concept is used here?**

Accepted Answer

Covalent bond

Answer

Application of trigonometry

Answer

Similar triangles

Answer

Pythagoras theorem

Answer

None of the above

Question 3

![](http://admin.getprephub.com/media/editor/3294_20211219205448983540.png)
A group of students of class $$X$$ visited India Gate on an educational trip. The teacher and students had interest in history as well. The teacher narrated that India Gate, official name Delhi Memorial, originally called All-India War Memorial, monumental sandstone arch in New Delhi, dedicated to the troops of British India who died in wars fought between 1914 and 1919 . The teacher also said that India Gate, which is located at the eastern end of the Rajpath (formerly called the Kingsway), is about 138 feet $$(42 {~m})$$ in height.The ratio of the length of a rod and its shadow is $$1: 1$$. 
The angle of elevation of the Sun is

Accepted Answer

Covalent bond

Answer

$$45^{\circ}$$

Answer

$$30^{\circ}$$

Answer

$$60^{\circ}$$

Answer

$$90^{\circ}$$

Question 4

![](http://admin.getprephub.com/media/editor/3294_20211219205623591071.png)
A group of students of class $$X$$ visited India Gate on an educational trip. The teacher and students had interest in history as well. The teacher narrated that India Gate, official name Delhi Memorial, originally called All-India War Memorial, monumental sandstone arch in New Delhi, dedicated to the troops of British India who died in wars fought between 1914 and 1919 . The teacher also said that India Gate, which is located at the eastern end of the Rajpath (formerly called the Kingsway), is about 138 feet $$(42 {~m})$$ in height.
The angle formed by the line of sight with the horizontal when the object viewed is below the horizontal level is

Accepted Answer

Covalent bond

Answer

angle of depression

Answer

corresponding angle

Answer

angle of elevation

Answer

complete angle

Question 5

![](http://admin.getprephub.com/media/editor/3304_20211219211336358726.png)
A girl $$8 {~m}$$ tall spots a parrot sitting on the top of a building of height $$58 {~m}$$ from the ground. The angle of elevation of the parrot from the eyes of girl at any instant is $$60^{\circ}$$. The parrot flies away
horizontally in such a way that it remained at a constant height from the ground. After $$8 {~s}$$, the angle of elevation of the parrot from the same point is $$30^{\circ}$$.
If the distance between the position of parrot increases, then the angle of elevation decreases. Justify with girl.

Accepted Answer

Covalent bond

Answer

$$decreases$$

Answer

$$increases$$

Answer

$$same$$

Answer

Cant be defined

Trigonometry Cbse Class 10 Maths Problems and Solutions

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