RS Aggarwal & V Aggarwal - Mathematics

Book: RS Aggarwal & V Aggarwal - Mathematics

Chapter: 7. Areas

Subject: Mathematics - Class 9th

Q. No. 33 of CCE Questions

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A kite in the shape of a square with each diagonal 32 cm and having a tail in the shape of an isosceles triangle of base 8cm and each side 6cm, is made of three different shades as shown in the figure. How much paper of each shade has been used in it?

[Given : = 2.24]

We know that every square is a rhombus.

Each of the equal diagonals = 32 cm

= 512 cm2

Note: Diagonal of a parallelogram divides it into two triangles of equal areas and square is a parallelogram.

Area of ΔABD = Area of ΔBDC = 1/2 area of ABCD


Whereas, a = 6 cm and b = 8 cm

= 2

= 8

= 17.92 cm2

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