In the above diagram, O is the center of the circle and and are radii of the circle. Show all working. (i) The total perimeter of the sector is 68 cm. Give your answer in suitable units. Calculate the value of x. The arc ABC is a quarter of a circle with centre O and radius 4.8 cm. (c) Find the area of the minor sector OAC. Question: The diagram shows a sector of a circle, centre O. Calculate the value of x. Angle AOB is theta radians. the area of a circle PQR with centre O is 72 cm square. Give your answer correct to 3 significant figures. 4. Answer 4 cm ABC is a sector of a circle, radius 4 cm and centre C. The length of the arc AB is 8 cm and angle ACB = xo. Calculate the area of the segment shaded in the diagram. A circle with centre C and radius xcm lies within the sector and touches P,Q,R |
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