Searching for "angle"

Q:

What is the angle between centripetal acceleration and tangential acceleration?

A) 90° B) 45°
C) 0° D) 180°
 
Answer & Explanation Answer: A) 90°

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Q:

An angle is four times its complementary angle. What is the measure of the angle?

A) 72° B) 108°
C) 54° D) 36°
 
Answer & Explanation Answer: A) 72°

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Q:

The slopes of two lines are 1/√3 and √3. What is the angle between these two lines?

A) 15° B) 45°
C) 60° D) 30°
 
Answer & Explanation Answer: D) 30°

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Q:

What are the co-ordinates of the centroid of a triangle, whose vertices are A(-2,5), B(3,-2) and C(5,3)?

A) (-2,-2) B) (-2,2)
C) (2,2) D) (2,-2)
 
Answer & Explanation Answer: C) (2,2)

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Q:

The measures of the three angles of a triangle are in the ratio 1:2:3. What is the measure of the biggest angle?

A) 30° B) 60°
C) 90° D) 120°
 
Answer & Explanation Answer: C) 90°

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Q:

What is the equation of the line whose y­-intercept is 4 and making an angle of 45° with the positive x-­axis?

A) x + y = -­4 B) x -­ y = 4
C) x + y = 4 D) x -­ y = ­-4
 
Answer & Explanation Answer: D) x -­ y = ­-4

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Q:

The perimeters of a square and an equilateral triangle are equal. If the diagonal of the square is 9 cm, what is the area of the equilateral triangle?

A) 18√3 sq cm B) 9√3 sq cm
C) 18√2 sq cm D) 9√2 sq cm
 
Answer & Explanation Answer: A) 18√3 sq cm

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Q:

The two equal sides of an isosceles triangle is 20 cm each and the third side is 30 cm. What is the area(in cm2) of the triangle?

A) 50√5 B) 100
C) 75√7 D) 175
 
Answer & Explanation Answer: C) 75√7

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