square ABCD and EFGH are congruent,AB=10cm and G is the centre of square ABCD. The area of the shaded region in the plane is 75 cm
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In △ABG:
height h=
2
1
(AD or BC)=
2
10
=5cm
area of △ABG=
2
1
×h×AB=5×5=25cm
2
Shaded area=ar(sq.EFGH)−ar(△ABG)
=(10×10)−25
=75cm^2
height h=
2
1
(AD or BC)=
2
10
=5cm
area of △ABG=
2
1
×h×AB=5×5=25cm
2
Shaded area=ar(sq.EFGH)−ar(△ABG)
=(10×10)−25
=75cm^2
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