[" In figure,is shown a sector OAP of a circle with centre "O," containing Z0.AB is "],[" perpendicular to the radius OA and meets OP produced at B.Prove that the perimeter of "],[" shaded region is r[tan theta+ sec theta+ "pi theta/180-1]]

In the given figure, is shown a sector OAP of a circle with centre 0, containing /_ theta . AB is perpendicular to the radius OA and meets OP produced at B. Prove that the perimeter of shaded region is r[tan theta + sec theta + pi theta/180 - 1]

In the given figure,is shown a sector OAP of a circle with centre 0, containing /_ theta. AB is perpendicular to the radius OA and meets OP produced at B.Prove that the perimeter of shaded region is r[tan theta+sec theta+pi(theta)/(180)-1]

Figure shows a sector of a circle,centre O, containing an angle theta. Prove that ( i) Perimeter of the shaded region is r(tan theta+sec theta+(pi theta)/(180)-1)( ii) Area of shaded region is (r^(2))/(2)(tan theta-pi(theta)/(180))

In figure , AB and CD are two diameters of a circle ( with centre O) perpendicular to each other and OD is the diameter of the smaller circle . If OA = 7 cm , find the area of the shaded region.

Figure shows a sector of a circle with centre O and angle 'theta' . Prove that: (a) Perimeter of shaded region is r(tan theta+sec theta+ (pi theta)/(180^@)-1) units (b) area of the shaded region is r^2/2 (tan theta-(pi theta)/(180^@))sq. units

If Figure - 4, AB and CD are two diameter of a circle (with centre O) perpendicular to each other and OD is the diameter of the smaller circle. IF OA = 7 cm, then find the area of the shaded region.

If Figure - 4, AB and CD are two diameter of a circle (with centre O) perpendicular to each other and OD is the diameter of the smaller circle. IF OA = 7 cm, then find the area of the shaded region.

Figure shows a sector of a circle of radius r containing an angle theta^@ The area of the sector is A cm^2 and the perimeter is 50cm. Prove that theta = (360)/pi ((25)/r-1) and A=25r -r^2

Fig. 15.17, shows a sector of a circle, centre O , containing an angle thetao , prove that: (FIGURE) (i) Perimeter of the shaded region is r\ (tantheta+sectheta+(pitheta)/(180)-1) (ii) Area of the shaded region is (r^2)/2\ (tantheta-(pitheta)/(180))