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# Case Study Questions for Class 10 Maths Chapter 9 Some Applications of Trigonometry (Published by CBSE)

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Case Study Questions for Class 10 Maths Chapter 9 Some Applications of Trigonometry (Released by CBSE)

Case study established questions are brand new for class 10 pupils ) For this reason, it’s fairly crucial that students practice more of such questions in order they usually do not need trouble in solving them into their Maths plank exam. We’ve provided here the research analysis questions for CBSE Class 10 Maths Chapter 9 – Some Applications of Trigonometry. These questions are published by that the Central Board of Secondary Education (CBSE) for the class 10 pupils ) Consequently, students must solve all of the questions badly in order they might assess the marks that are desirable inside their own Maths assessment.

(*9*)Assess Case Study Questions for Class 10 Maths Chapter 9:

(*9*)Casestudy 1:

friends of students of category X seen India Gate within an instruction trip. The pupils and teacher had attention ever too. The teacher found that India Gate, official name Delhi Memorial, originally called All India War Memorial, massive Circuit arch at New Delhi, specialized in the soldiers of British India who perished in wars fought between 1914 and 1919. The teacher also stated that India Gate, that is located in the southern end of that the Rajpath (formerly known as the Kingsway), is roughly 138 feet (42 metres) tall.

(*9*)inch . ) What’s the angle of altitude should they’re standing in a space of 42m far from the monument?

a) 30o

b ) ) 4-5 o

c) 60o

Id ) 0o

(*9*)Response: b) 4-5 o

(*9*)2. They would like to observe the tower with an angle of 60o. Consequently, they wish to understand the length where they should endure and thus locate the exact distance.

a) 25.24 m

b ) ) 20.12 m

c) 42 m

Id ) 24.64 m

(*9*)Response: a) 25.24 m

(*9*)3. When the elevation of that the Sun reaches 60o, then the elevation of the perpendicular tower which will throw a shadow of span 20 m will be

a) 20√3 m

b) 20/ / √3 m

c) 15/ / √3 m

Id ) 15√3 m

(*9*)Response: a) 20√3 m

(*9*)4. ) The ratio of the span of a pole and its own shadow is 1:1. The angle of altitude of that the Sun is

a) 30o

b) 4-5 o

c) 60o

Id ) 90o

(*9*)Response: b) 4-5 o

(*9*)5. ) The angle formed by line of sight with all an flat once the thing viewed is below the flat level is

a) corresponding angle

b) angle of altitude

c) angle of melancholy

Id ) complete angle

(*9*)Response: a) corresponding angle

(*9*)example two:

A Satellite flying in elevation h is watching on the very best of the 2 greatest mountains in Uttarakhand along with Karnataka, these being Nanda Devi(elevation 7,816m) and also Mullayanagiri (elevation 1,930 m). The perspectives of melancholy from the satellite, for the very best of Nanda Devi and also Mullayanagiri are 30° and 60° respectively. In case the length between the peaks of that the 2 hills is 1937 kilometers, and also the satellite is above the mid point of the length between the 2 mountains.

(*9*)inch . ) The length of the satellite by the upper of Nanda Devi is

a) 1139.4 kilometers

b) 577.52 kilometers

c) 1937 kilometers

Id ) 1025.36 kilometers

(*9*)Response: a) 1139.4 kilometers

(*9*)2. The length of the satellite by the upper of Mullayanagiri is

a) 1139.4 kilometers

b) 577.52 kilometers

c) 1937 kilometers

d) 1025.36 kilometers

(*9*)Response: c) 1937 kilometers

(*9*)3. The length of the satellite out of the earth is

a) 1139.4 kilometers

b) 577.52 kilometers

c) 1937 kilometers

d) 1025.36 kilometers

(*9*)Response: b) 577.52 kilometers

(*9*)4. What’s the angle of altitude when a guy is standing in a space of 7816m out of Nanda Devi?

a) 30o

b ) ) 4-5 o

c) 60o

Id ) 0o

(*9*)Response: b) 4-5 o

(*9*)5. ) When a mile rock very far from, makes 4-5 o into the surface of Mullanyangiri mountain. ) Thus, get the exact distance of this mile rock from the hill.

per ) 1118.327 kilometers

b ) ) 566.976 kilometers

c) 1937 kilometers

Id ) 1025.36 kilometers