Geometry Practice Question and Answer

Q:

In a triangle ΔABC, the sides DE parallel to BC and AD = 6 cm, DB = 9 cm, AE = 8 cm, find the value of AC.

954 0

  • 1
    8 cm
    Correct
    Wrong
  • 2
    12 cm
    Correct
    Wrong
  • 3
    20 cm
    Correct
    Wrong
  • 4
    6 cm
    Correct
    Wrong
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Answer : 3. "20 cm"

Q:

Find the second diagonal of a rhombus when it’s first diagonal length is 12 cm and its side is 10 cm?

953 0

  • 1
    24 cm
    Correct
    Wrong
  • 2
    16 cm
    Correct
    Wrong
  • 3
    18 cm
    Correct
    Wrong
  • 4
    22 cm
    Correct
    Wrong
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Answer : 2. "16 cm"

Q:

In ΔABC, ∠C=90° and CD is perpendicular to AB at D. If AD/BD=, then AC/BC=?

948 0

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

Q:

P and Q are center of two circles with radii 9 cm and 2 cm respectively, where PQ = 17 cm, R is the center of another circle of radius x cm, which touches each of the above two circles externally. If ∠PRQ = 90 °, then the value of x is 

940 0

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

Q:

If in a triangle, the orthocenter lies on vertex, then the triangle is 

937 0

  • 1
    Right angled
    Correct
    Wrong
  • 2
    Equilateral
    Correct
    Wrong
  • 3
    Acute angled
    Correct
    Wrong
  • 4
    Isosceles
    Correct
    Wrong
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Answer : 1. "Right angled "

Q:

X and Y are centres of circles of radius 9 cm. and 2 cm respectively XY=17 cm. Z is the centre of a circle of radius r cm which touches the above circles externally. Given that - ∠xzy = 90o the value of r is -

936 0

  • 1
    13 cm
    Correct
    Wrong
  • 2
    6 cm
    Correct
    Wrong
  • 3
    9 cm
    Correct
    Wrong
  • 4
    8 cm
    Correct
    Wrong
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Answer : 2. "6 cm"

Q:

In ΔABC, AB=c cm, AC= b cm and CB=a cm, If  ∠A=2 ∠B, then which of the following is true?

933 0

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

Q:

If the area of a circle is 9π sq.cm then it circumference is

932 0

  • 1
    9 cm
    Correct
    Wrong
  • 2
    6 π cm
    Correct
    Wrong
  • 3
    3π cm
    Correct
    Wrong
  • 4
    6 cm
    Correct
    Wrong
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Answer : 2. "6 π cm"

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