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Allwin Agnel @pagalguy

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# Mensuration, Geometry & Co-ordinate Geometry

ABCD is a convex quadrilateral in which <(BAC) = <(CBD) = 30 deg, <(CAD) = 60 deg, <(CDB) = 15 deg. If E is the point of intersection of AC and BD, then measure of <(BEA) in degrees (is)
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A person wishes to make a 100sqm. rectangular garden. since he has only 30m barbed wire for fencing, he fences only 3 sides letting the house wall act as 4th side. The width of garden could be?

• You could create a quadratic and solve, but simpler to ju.... 14 Apr.
• it should be 5 not 10 because if we consider 10m as width.... 18 Jul.
Away from PG for a bit @scrabbler 31,840

You could create a quadratic and solve, but simpler to just do trial and error. Either you make 5, 20, 5 or 10, 10, 10 as the 3 sides since 5x20 or 10x10 gives 100.

Nitin Kindo @nitinkindo

it should be 5 not 10 because if we consider 10m as width then the shape of the garden will become a square

Hi ! can anyone help me with this ques.

Q. A wire is in the form of circle of radius 35cm. If it is bent into shape of a rhombus, then what is the side of rhombus?

• @varun94 Bhai circle ka circumference= rhombus ka perimet.... 14 Apr.
• 55. 18 Jul.
Aman Pundir @amanpundir07 47

@varun94 Bhai circle ka circumference= rhombus ka perimeter ,I.e, 2πr=4a

Plz solve this ....Thanks in advance

QUE:- AD is median in triangle ABC, and G is Centroid. If area of triangle ABC is 90cm square. Find the area of triangle BGD???

• 15. 29 Jun.
• 15 :ghost:. 18 Jul.

GEOMETRY LOD1 Question 12 page 334

Hi, I need help with approach and how to solve this question : How many triangles can be formed such that the sides are natural numbers and the perimeter is equal to 10?

• @aimsuccess2011 you know that sum of the length of the tw.... 04 Mar '15.
• @raunak soudhani is there any other approach other than h.... 14 Mar '15.
CAT2011 : 80(no prep); CAT2013: 93.54(QA :97+ ; VA: 78)  No war is lost until you know it!
Raunak Sodhani @raunaksodhani 235

@aimsuccess2011 you know that sum of the length of the two sides of a triangle has to be more than the third side of the same triangle. Additionally it has been mentioned that there are only natural numbers as the length of the side. So a + b + c = 10 and a+b>c. Punch the numbers and get the answer. Hope this helps.

@gs555 3

@raunak soudhani is there any other approach other than hit n try as we also need to satisfy a+c >b and b+c >a and perimeter given is a bigger value.

ABCD is a square and PAB is an Equila... - @gs555 on 11 Feb '15 - PaGaLGuY
ABCD is a square and PAB is an Equilateral Triangle such that P lies in the Interior of the Square. Find the measure of angle DPC.

ABCD is a square of a side is 10 units.There are four point p,q,r,s inside the square that triangle ABP,BCQ,CDR and DAS(triangle) are equilateral triangle .Find the area in(Sq unit) of a quadrilateral PQRS?

(1)100(rt3-1)

(2)100(2-rt3)

(3)100(2rt3-1)

(4)20(2-rt3)

• people should give solution and help rather than sitting .... 29 Oct '15.
Sidharth Dash @Sid_0700 111

people should give solution and help rather than sitting at home and being selfish... #always helpful.

The angle between two side of a plot measuring 32mand24m is a right angle .The other side measure 25 each and other three angle are not right angle.The area of a plot is

(1)768

(2)534

(3)684

(4)96.5

• 3. 05 Nov '14.
• 3. 20 Apr '15.

Find the area of a pentagon whose vertices are (-1,0),(5,0),(6,2),(2,5)and(-3,1)?

(1).27.5

(2)28

(3)27

(4)24.5

• option (3) 27 In such cases draw the diagram and then sp.... 26 Feb '15.
• 27. 20 Apr '15.
Alok Rai @alok1141 7

option (3) 27

In such cases draw the diagram and then split it into right angle triangles and rectangles

27

There are 6 points on a circle. Each point can be identified without relating it to any other points. Five events occur at 5 of these points,one after the other and each one at a different point. In how many ways can they occur such that no two successive events occur at adjacent points?

a)84

b)108

c)144

d)14

ans is 84 ! plz explain hw ?