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Mensuration, Geometry & Co-ordinate Geometry

sai.santosh
Santosh Akella @sai.santosh 140
Posted 21 Jun
volume of a sphere, a cube, a tetrahedron and an octahedron are same. For which of the following sturctures, it will have maximum surface area?? what is the rating of their surface areas frm highest t least??


volume of a sphere, a cube, a tetrahedron and an octahedron are same. For which of the following sturctures, it will have maximum surface area?? what is the rating of their surface areas frm highest t least??

  • 2 Likes  
Asli-Bawa
Lalit Joshi @Asli-Bawa 77
Posted 16 Jun
can anyone tell the formula for height of a regular tetrahedron?

can anyone tell the formula for height of a regular tetrahedron?

  • sqrt(10)*a. Where a is the side length of the cube from w.... 17 Jun.
Saurabh.Acejay
Jaurabh Soglekar @Saurabh.Acejay 6

sqrt(10)*a. Where a is the side length of the cube from which the tetrahedron is formed.

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Asli-Bawa
Lalit Joshi @Asli-Bawa 77
Posted 16 Jun
can anyone tell the formula for height of a regular tetrahedron?

can anyone tell the formula for height of a regular tetrahedron?

Asli-Bawa
Lalit Joshi @Asli-Bawa 77
Posted 16 Jun
can anyone tell the formula for height of a regular tetrahedron?

can anyone tell the formula for height of a regular tetrahedron?

Asli-Bawa
Lalit Joshi @Asli-Bawa 77
Posted 16 Jun
can anyone tell the formula for height of a regular tetrahedron?

can anyone tell the formula for height of a regular tetrahedron?

nive29192
Nivedithaa Vivekanandan @nive29192 2
Posted 02 Apr
The base of an isosceles triangles is root2. The medians to the legs intersect each other at right angles.The area of the triangle is ? a) 1.5 b)2 c)2.5 d)3.5 Can any1 please solve this sum ? __

The base of an isosceles triangles is root2. The medians to the legs intersect each other at right angles.The area of the triangle is ?

a) 1.5 b)2 c)2.5 d)3.5

Can any1 please solve this sum ?

  • 1 Like   6 Comments
  • 1.5 ... 15 Jun.
Gilu
Shagun Mathur @Gilu
Posted 05 Mar
ABCD is acyclic quadrilateral, AB is a diameter of the circle. If angle ACD=50, the value of angle BAD is..??
ABCD is acyclic quadrilateral, AB is a diameter of the circle. If angle ACD=50, the value of angle BAD is..??
29 people answered this question.
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garry1337
Badri @garry1337 1.6 k
Posted 03 Mar
@prialall @piyush5337 Refer the attachment Trigonometry :At the foot of a mountain the elevation of its summit is 45 degree ,after ascending 1000m towards the mountain up a stop of 30 degree inclination , the elevation is found to be 60 degree .Find the height of the mountain.

@prialall @piyush5337 Refer the attachment

Trigonometry :At the foot of a mountain the elevation of its summit is 45 degree ,after ascending 1000m towards the mountain up a stop of 30 degree inclination , the elevation is found to be 60 degree .Find the height of the mountain.

  • 1 Like  
  • thanx a lot . . @garry1337. 03 Mar.
MATA08
UNITED @MATA08 26
Posted 16 Feb
There are eight rays in a plane with a common end point. The measures of the eight non overlapping angles,in degrees are a,b,c,d,e,f,g and h+4. The numbers a,b,c,d,e,f,g,h are consecutive integers. How many of these angles exceed 45 degree ?

There are eight rays in a plane with a common end point. The measures of the eight non overlapping angles,in degrees are a,b,c,d,e,f,g and h+4. The numbers a,b,c,d,e,f,g,h are consecutive integers. How many of these angles exceed 45 degree ?

14 people answered this question.
1 Comments
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MATA08
UNITED @MATA08 26
Posted 16 Feb
Find the volume of the largest right circular cone that can be cut out of a cuboid of dimensions 56cm * 21cm * 14cm.
Find the volume of the largest right circular cone that can be cut out of a cuboid of dimensions
56cm * 21cm * 14cm.
24 people answered this question.
1 Comments
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MATA08
UNITED @MATA08 26
Posted 16 Feb
Ravi mowed the grass on a rectangular lawn of dimesions 30m by 40m. He mowed using a 1m wide strip. He starts moving from one of the corners of the lawn and moved around it towards the center. How many times would he go round before he completed mowing half of the lawn.

Ravi mowed the grass on a rectangular lawn of dimesions 30m by 40m. He mowed using a 1m wide strip. He starts moving from one of the corners of the lawn and moved around it towards the center. How many times would he go round before he completed mowing half of the lawn.

34 people answered this question.
2 Comments
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Loose
Loose Control @Loose 61
Posted 24 Jan
heyyy
heyyy
Loose
Loose Control @Loose 61
Posted 24 Jan
i am in ...
i am in ...
Gireesh234
Roger Federer @Gireesh234 61
Posted 04 Jan
Determine the value(s) of a for which the point (a, a2) lies inside the triangle formed by the lines:2x + 3y = 1, x + 2y = 3 and 5x - 6y = 1

Determine the value(s) of a for which the point (a, a2) lies inside the triangle formed by the lines:2x + 3y = 1, x + 2y = 3 and 5x – 6y = 1

15 people answered this question.
1 Comments
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Bahadur_billa
nigshey vashishtha @Bahadur_billa 169
Posted 17 Dec '13
No OA for the question :wink:
No OA for the question
  • 8 Comments
  • 15. 08 Apr.
  • 12. 08 Apr.