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Quadrilaterals and Polygons

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TG Team 25/10/2018 5:29 pm

PFA the solution: 

 


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aniket prajapati 25/10/2018 8:10 pm


TG Team 26/10/2018 1:56 pm


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aniket prajapati 31/10/2018 5:32 pm


TG Team 31/10/2018 5:56 pm

1/4 of (Area of the square ABCD - area of the smaller circle ) = 1/4 of (100 - 39.2) = 15.2 % 


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Hello sir , please solve question 6 and 7 -


Utkarsh Garg 02/11/2018 12:28 pm

ans 6: 3cm sq. ?


TG Team 02/11/2018 1:08 pm

Solution to the Q. 6 


Utkarsh Garg 02/11/2018 1:15 pm

Alternate approach:

In a regular hexagon with side a, the smaller diagonal is √3a and other one is 2a

Now in this question length AC is a smaller diagonal where a=1 

 Therefore AC= √3

and area of sq.= √3*√3=3cm sq


TG Team 02/11/2018 1:15 pm

Q. 7. 
Out of the six surfaces 4 are rectangular  

13 x 20 + 13 x 20 + 20 x 20 + 10 x 20 + 2 x ( area of trapezium ) 

520 + 600 + 360 = 1480 square units . 


aniket prajapati 03/11/2018 2:39 pm

Area  = height*(perimeter of base trapezium) + 2*area of base which is trapezium)


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solution please 


aniket prajapati 23/11/2018 2:33 pm


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solutions please


aniket prajapati 23/11/2018 2:46 pm


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Sir, why isn't the answer 10925? I got 10900 and 1/4th of the tile with side 1 would cost Rs 25


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Hexagon ABCDEF is inscribed in a circle. The sides AB, CD and EF are each x units in length whereas the sides BC, DE and FA are y units in length. Then the radius of the circle is ?


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In the rectangle ABCD, the perpendicular bisector of AC divides the longer side AB in a ratio 2:1. Then the angle between AC and BD is . 


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