One of the Most Diffcult Class 8 Level SAT Problem | In the figure above, arc SBT is one quarter of a circle with center R and radius 6. If the length plus the width of rectangle ABCR is 8, then the perimeter of the shaded region is

In the given figure ABCD is a rectangle inscribed in a circle having length 8 cm and breadth 6 cm. If pi=3.14 then the area of the shaded region is

PQRS is a diameter of a circle of radius 6 cm as shown in the figure above. The lengths PQ, QR and RS are equal. Semi-circles are drawn on PQ and QS as diameters. What is the perimeter of the shaded region ?

PQRS is a diameter of a circle of radius 6cm. The lengths PQ,QR and RS are equal.Semi- circles are drawn on PQ and QS as diameters as shown in figure.Find the perimeter of the shaded region.

In the figure given below, O is the centre of the circle. PR and RQ are chords of the circle. The radius of the circle is 5 cm. PR = 8 cm, QR = 6 cm and anglePRQ = 90^(@) What is the approximate area of the shaded region ?

Find the area of the shaded region in the given figure, if ABCD is a rectangle with sides 8 cm and 6 cm and O is the centre of the circle.

Circle inside a Circle : PQRS is a diameter of a circle of radius 6cm. The length PQ;QR and RS are equal.Semi circles are drawn on PQ and QS as diameters as shown in Figure.Find the perimeter and area of shaded Region.

In the given figure,Delta PQR is an equilateral triangle of side 8cmP,Q,R are centres of circular arcs each of radius 4cm find the area of shaded region.(use pi=3.14 and sqrt(3)=1.732)

AB is a line segment of length 2a with M as mid-point. Semicircles are drawn on one side with AM, MB and AB as diameter as shown in the above figure. A circle .with centre O and radius r is drawn such that this circle touches all the three semicircles. The value of r is

In the given figure,one side of the 30^(@) inscribed angle is the diameter of a semicircle of radius 3cm. What is the perimeter of the shaded region bounded by the inscribed angle and its intercepted arc