Geometry Practice Question and Answer

Q:

The sum of all interior angles of a regular polygon is twice the sum of all its exterior angles.  The number of sides of the polygon is

963 0

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

Q:

 If find the value of .

959 0

  • 1
    0
    Correct
    Wrong
  • 2
    1
    Correct
    Wrong
  • 3
    2
    Correct
    Wrong
  • 4
    4
    Correct
    Wrong
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Answer : 4. "4"

Q:

ΔABC is similar to ΔDEF. Length of AB is 18 cm and  length of the corresponding side  DE is 10 cm. What is the ratio  of Perimeter of ΔABC : Perimeter of ΔDEF?

959 0

  • 1
    5:9
    Correct
    Wrong
  • 2
    81:25
    Correct
    Wrong
  • 3
    9:5
    Correct
    Wrong
  • 4
    25:81
    Correct
    Wrong
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Answer : 3. "9:5 "

Q:

In ΔABC, AB = AC and ∠B = 40 °, find the value of ∠A.

958 0

  • 1
    40°
    Correct
    Wrong
  • 2
    100°
    Correct
    Wrong
  • 3
    80°
    Correct
    Wrong
  • 4
    10°
    Correct
    Wrong
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Answer : 2. "100°"

Q:

In a circle, PQ is diameter, RS is chord of length equal to radius of circle. PR and QS when produced intersect at point T. Find the ∠PTQ?

958 0

  • 1
    90°
    Correct
    Wrong
  • 2
    60°
    Correct
    Wrong
  • 3
    45°
    Correct
    Wrong
  • 4
    55°
    Correct
    Wrong
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Answer : 2. "60°"

Q:

Find the area of the largest triangle made in a semicircle of r cm radius?

958 0

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

Q:

ABCD is a trapezium in which AB is parallel to CD and AB = 4 ( CD ) . The diagonals of the trapezium intersects at O. what is the ratio of area of triangle DCO to the area of the triangle ABO ?

955 0

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

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"

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