Find the shaded area of the following figures . shaded area in the following fi
IHcrrsl
side Of a square whose area is I are. What will be the area if (i) tlr sides of
. square are doubled (ii) sides of the square are halvd?
area of an equilateral triangle with side 8 cm. Also, find the area of the figun
•—brmed by placing another equilateral triangle of the same size along one of its sides
is this figure called? Find the lengths of its diagonals.
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55 Area of A Circle
the circular objects around you and their contribution to your life. The wheel
cannot run Without circle. A bicycle, scooter, autorickshaw, car. bus, aeroplane all t
Hands of watch describe a circle. Wings of a fan move in circle. Glass, plate, bo
all are circular in shape. We must know how to calculate the area of a circu
nrved figure is calculated by the help of graph paper. Try to calculate the area
circles by drawing them on a piece of paper. Then place their cut on the g
I cm each. You will find :
