Mensuration Questions Practice Question and Answer

Q:

The diagonal of a right angle isosceles triangle is 5 cm. Its area will be

405 0

  • 1
    5 sq.cm
    Correct
    Wrong
  • 2
    6.25 sq.cm
    Correct
    Wrong
  • 3
    6.50 sq.cm
    Correct
    Wrong
  • 4
    12.5 sq.cm
    Correct
    Wrong
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Answer : 2. "6.25 sq.cm "

Q:

ABC is an equilateral triangle with side 12 cm and AD is the median. Find the length of GD if G is the centroid of ΔАВС.

405 0

  • 1
    $${6\sqrt{3}}cm$$
    Correct
    Wrong
  • 2
    $${3\sqrt{3}}cm$$
    Correct
    Wrong
  • 3
    $${4\sqrt{3}}cm$$
    Correct
    Wrong
  • 4
    $${2\sqrt{3}}cm$$
    Correct
    Wrong
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Answer : 4. "$${2\sqrt{3}}cm$$"

Q:

The minute hand of a clock is 20 cm long. Find the area on the face of the clock swept by the minute hand between 8 a.m. and 8:45 a.m.

404 0

  • 1
    $${6600\over 18}cm^2$$
    Correct
    Wrong
  • 2
    $${6600\over 7}cm^2$$
    Correct
    Wrong
  • 3
    $${6600\over 14}cm^2$$
    Correct
    Wrong
  • 4
    $${6600\over 9}cm^2$$
    Correct
    Wrong
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Answer : 2. "$${6600\over 7}cm^2$$"

Q:

The length of the perpendiculars drawn from any point in the interior of an equilateral triangle to the respective sides are p1 , p2 and p3 . The length of each side of the triangle is

403 0

  • 1
    $${2\over \sqrt { 3}}+(p_1+p_2+p_3) $$
    Correct
    Wrong
  • 2
    $${1\over \sqrt { 3}}+(p_1+p_2+p_3) $$
    Correct
    Wrong
  • 3
    $${1\over \sqrt { 3}}+(p_1+p_2+p_3) $$
    Correct
    Wrong
  • 4
    $${4\over \sqrt { 3}}+(p_1+p_2+p_3) $$
    Correct
    Wrong
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Answer : 1. "$${2\over \sqrt { 3}}+(p_1+p_2+p_3) $$ "

Q:

From a point within an equilateral triangle, perpendiculars drawn to the three sides, are 6 cm, 7 cm and 8 cm respectively. the length of the side of the triangle is:

402 0

  • 1
    7 cm
    Correct
    Wrong
  • 2
    10.5 cm
    Correct
    Wrong
  • 3
    $${14 \sqrt { 3}} $$ cm
    Correct
    Wrong
  • 4
    $${14 \sqrt { 3}}\over 3 $$ cm
    Correct
    Wrong
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Answer : 1. "7 cm "

Q:

Find the area of the triangle whose sides are 5 cm, 12 cm and 13 cm.

401 0

  • 1
    30 $${{cm^2}}$$
    Correct
    Wrong
  • 2
    33 $${{cm^2}}$$
    Correct
    Wrong
  • 3
    15 $${{cm^2}}$$
    Correct
    Wrong
  • 4
    25 $${{cm^2}}$$
    Correct
    Wrong
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Answer : 1. "30 $${{cm^2}}$$"

Q:

What is the area (in cm2 ) of an equilateral triangle of side 20 cm?

400 0

  • 1
    $$ 100 \sqrt { 3} \ $$
    Correct
    Wrong
  • 2
    200
    Correct
    Wrong
  • 3
    $$ 100 \sqrt { 2} \ $$
    Correct
    Wrong
  • 4
    100
    Correct
    Wrong
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Answer : 1. "$$ 100 \sqrt { 3} \ $$"

Q:

A hemispherical bowl of internal radius 18 cm is full of liquid. This liquid is to be filled in cylindrical bottles each of radius 3 cm and height 6 cm. How many bottles are required to empty the bowl

399 0

  • 1
    72
    Correct
    Wrong
  • 2
    70
    Correct
    Wrong
  • 3
    68
    Correct
    Wrong
  • 4
    66
    Correct
    Wrong
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Answer : 1. "72"

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