The figure given shows a kite, in which BCD is in the shape of a quadrant of a circle of radius 42 cm. ABCD is a square and \(\triangle CEF\) is an isosceles right-angled triangle whose equal sides are 6 cm long. Find the area of the shaded region.

2

(a)

Four cows are tethered at the four corner of a squares plot of size 50 m. So that they just cannot reach one another. What area will be left ungrazed?

2

(a)

In the adjoining figure, ABCD is a square of side 6cm.Find the area of the shaded region.

2

(a)

In the figure alongside, crescent is formed by two circles which touch at the point A, O is the centre of the point A, O is the centre of the bigger circle.If CB=9cm and ED=5cm, find the area of the shaded region.[Take \(\pi\)=3.14]

2

(a)

ABCD is a field in the shape of a trapezium.AB||DC and \(\angle\)ABC=60⁰,\(\angle\)DAB=90⁰.Four sector are formed with centres A, B, C and D.THe radius of each sector is 17.5m.Find:
(i)the total area of the four sectors
(ii)the area of remaining portion, given that AB=75m and CD=50m.

2

(a)