Geometry Practice Question and Answer

Q:

If the sum of the interior angles of a regular polygon be 1080 °, the number of sides of the polygon is 

1021 0

  • 1
    6
    Correct
    Wrong
  • 2
    8
    Correct
    Wrong
  • 3
    10
    Correct
    Wrong
  • 4
    12
    Correct
    Wrong
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Answer : 2. "8 "

Q:

G is the centroid of ΔABC. The medians AD and BE intersect at right angles. If the lengths of AD and BE are 9 cm and 12 cm respectively; then the length of AB (in cm) is?

1009 0

  • 1
    11
    Correct
    Wrong
  • 2
    10
    Correct
    Wrong
  • 3
    10.5
    Correct
    Wrong
  • 4
    9.5
    Correct
    Wrong
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Answer : 2. "10"

Q:

The centroid of a ∆ABC is G. The area of ∆ABC is 60 cm². The area of ∆GBC is

1052 0

  • 1
    30 cm²
    Correct
    Wrong
  • 2
    40 cm²
    Correct
    Wrong
  • 3
    10 cm²
    Correct
    Wrong
  • 4
    20 cm²
    Correct
    Wrong
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Answer : 4. "20 cm²"

Q: In a rhombus ABCD, ∠A=60º and AB=12 cm. Then the diagonal BD is: 1272 0

  • 1
    2√3 cm
    Correct
    Wrong
  • 2
    6cm
    Correct
    Wrong
  • 3
    12cm
    Correct
    Wrong
  • 4
    10cm
    Correct
    Wrong
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Answer : 3. "12cm"

Q:

In a given circle, the chord PQ is of length 18 cm. AB is the perpendicular bisector of PQ at M. If MB=3. Find the length of AB?

1686 0

  • 1
    25 cm
    Correct
    Wrong
  • 2
    30 cm
    Correct
    Wrong
  • 3
    28 cm
    Correct
    Wrong
  • 4
    27 cm
    Correct
    Wrong
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Answer : 2. "30 cm"

Q:

If the length of the three sides of a triangle are 6 cm, 8 cm, and 10 cm,  then the length of the median to its greatest side is

2030 0

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

Q:

if θ is acute angle and sin (θ+180) = 1/2, then the value of θ in circular measure is :

1149 0

  • 1
    π/12 Radius
    Correct
    Wrong
  • 2
    π/15 Radius
    Correct
    Wrong
  • 3
    2π/5 Radius
    Correct
    Wrong
  • 4
    3π/13
    Correct
    Wrong
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Answer : 2. "π/15 Radius"

Q:

The area of a triangle with vertices A (0, 8), O (0, 0), and B (5, 0) is :

1319 0

  • 1
    8 sq. units
    Correct
    Wrong
  • 2
    13 sq. units
    Correct
    Wrong
  • 3
    20 sq. units
    Correct
    Wrong
  • 4
    40 sq. units
    Correct
    Wrong
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Answer : 3. "20 sq. units "

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