Question

Question No. 7
If ABCD is a square, and the area
covered by the blue equilateral
triangle is 49V3 cm, what will be the
area covered by the yellow region
(in cm)?​

Answer 1

Answer:

Area of triangle is 493cm2

43a2=493⟹a=14cm

The area of 3 circles is 

=3360θ×πr2=3×36060×722×7×7=77cm3       

Area of remaining part is 

493−77=84.868−77=7.868 cm2