Searching for "angle"

Q:

How many triangles are there in the given figure?

A) 18 B) 19
C) 20 D) 21
 
Answer & Explanation Answer: C) 20

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Q:

Find the number of triangles in the given figure?

A) 8 B) 10
C) 12 D) 14
 
Answer & Explanation Answer: D) 14

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Filed Under: Image Analysis

Q:

The angle of elevation of the top of a pillar from the foot and the top of a building 20 m high, are 60° and 30° respectively. The height of the pillar is

A) 10 m B) 10√3m
C) 60 m D) 30 m
 
Answer & Explanation Answer: D) 30 m

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Q:

If θ be positive acute angle and 5cosθ + 12sinθ = 13, then the value of cosθ is

A) 12/13 B) 5/13
C) 5/12 D) 1/5
 
Answer & Explanation Answer: B) 5/13

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Q:

In ΔABC, ∠B = 70° and ∠C = 60°. The internal bisectors of the two smallest angles of ΔABC meet at O. The angle so formed at O is

A) 125° B) 120°
C) 115° D) 110°
 
Answer & Explanation Answer: A) 125°

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Q:

ΔPQR is right angled at Q. If cosecP = 25/24, then what is the value of cotR ?

A) 25/7 B) 24/25
C) 7/24 D) 24/7
 
Answer & Explanation Answer: D) 24/7

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Q:

ΔPQR is right angled at Q. If m∠R = 60o, then find the value of (secP - 1/√3) 

A) (√6-6)/3√3 B) (1-3√2)/3
C) 1/√3 D) 2/√3
 
Answer & Explanation Answer: C) 1/√3

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Q:

What is the sum of the measures of all the interior angles of a regular polygon of 9 sides?

A) 1260 B) 1440
C) 1800 D) 2340
 
Answer & Explanation Answer: A) 1260

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