Geometry Practice Question and Answer

Q:

In a polygon, the sum of the interior angles is double the sum of the exterior angles. What is the number of sides of the polygon?

929 0

  • 1
    4
    Correct
    Wrong
  • 2
    8
    Correct
    Wrong
  • 3
    6
    Correct
    Wrong
  • 4
    5
    Correct
    Wrong
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Answer : 3. "6"

Q:

In any triangle ABC, AB + BC = 12 cm, BC + CA = 14 cm and CA + AB = 18 cm. What will be length of radius of a circle, if the perimeter of circle is equal to the perimeter of triangle ABC? 

924 0

  • 1
    2 cm
    Correct
    Wrong
  • 2
    3.5 cm
    Correct
    Wrong
  • 3
    1.5 cm
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 2. "3.5 cm "

Q:

O is the orthocentre of ΔABC. If ∠BOC=110°, ∠BAC is equal to

923 0

  • 1
    90°
    Correct
    Wrong
  • 2
    70°
    Correct
    Wrong
  • 3
    80°
    Correct
    Wrong
  • 4
    110°
    Correct
    Wrong
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Answer : 2. "70°"

Q:

If the circumradius of an equilateral triangle ABC is 8 cm, then what is the height of the triangle?

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  • 1
    16 cm
    Correct
    Wrong
  • 2
    6 cm
    Correct
    Wrong
  • 3
    8 cm
    Correct
    Wrong
  • 4
    12 cm
    Correct
    Wrong
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Answer : 4. "12 cm"

Q:

ABCD is a rhombus whose one angle is 60°.Find the ratio of the lengths of its diagonal?

920 0

  • 1
    Correct
    Wrong
  • 2
    1 : 1
    Correct
    Wrong
  • 3
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 2. "1 : 1"

Q:

PQR is an equilateral triangle whose side is 10 cm . What is the value (in cm) of the inradius of triangle PQR ?

918 0

  • 1
    10
    Correct
    Wrong
  • 2
    Correct
    Wrong
  • 3
    Correct
    Wrong
  • 4
    Correct
    Wrong
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Answer : 2. ""

Q:

Triangle PQR is inscribed in the circle whose radius is 14 cm . If PQ is the diameter of the circle and PR =10 cm , then what is the area of the triangle ? 

917 0

  • 1
    196
    Correct
    Wrong
  • 2
    Correct
    Wrong
  • 3
    Correct
    Wrong
  • 4
    Correct
    Wrong
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Answer : 2. ""

Q:

AB is diameter of a circle with centre 'O'. CD is a chord which is equal to the radius of the circle. AC and BD are extended so that they intersect each other at point P. Then find the value of ∠ APB.

917 0

  • 1
    300
    Correct
    Wrong
  • 2
    600
    Correct
    Wrong
  • 3

    900

    Correct
    Wrong
  • 4

    1200

    Correct
    Wrong
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Answer : 2. "600"

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