Searching for "angle"

Q:

A rectangle with one side 4 cm is inscribed in a circle of radius 2.5 cm. The area of the rectangle in sq.cm is:

A) 8 B) 16
C) 12 D) 6
 
Answer & Explanation Answer: C) 12

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Q:

The angles of elevation of the top of a temple, from the foot and the top of a building 30 m high, are 60° and 30° respectively. Then height of the temple is

A) 50 m B) 43 m
C) 40 m D) 45 m
 
Answer & Explanation Answer: D) 45 m

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Q:

ABC is a triangle if sin (A+B2)=32 then the value of Sin c2 is

A) 12 B) 0
C) 1/2 D) 32
 
Answer & Explanation Answer: C) 1/2

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Q:

In a triangle ABC, AB = 8 cm, AC = 10 cm and ∠B = 90°, then the area of ΔABC is

A) 49 sq.cm B) 36 sq.cm
C) 25 sq.cm D) 24 sq.cm
 
Answer & Explanation Answer: D) 24 sq.cm

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Q:

The perimeter of two similar triangles ABC and PQR are 36 cms and 24 cms respectively. If PQ = 10 cm then the length of AB is

A) 18 cm B) 12 cm
C) 15 cm D) 330 cm
 
Answer & Explanation Answer: C) 15 cm

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Q:

If the angles of a triangle are in the ratio of 2:3:4, then the difference of the measure of greatest angle and smallest angle is

A) 20° B) 30°
C) 40° D) 50°
 
Answer & Explanation Answer: C) 40°

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Q:

The centroid of an equilateral triangle ABC is G. If AB is 6 cms, the length of AG is

A) √3 cm B) 2√3 cm
C) 3√2 cm D) 2√2 cm
 
Answer & Explanation Answer: B) 2√3 cm

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Q:

How many triangles are there in the given figure?

A) 24 B) 26
C) 36 D) 32
 
Answer & Explanation Answer: C) 36

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