Hard Work

Topics: Volume, Area, Circle Pages: 3 (1704 words) Published: January 25, 2013
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SUB: MATHEMATICS CLASS: X TOPIC: AREAS RELATED TO CIRCLES

--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 1) A bicycle wheel makes 5000 revolution in moving 11 km. find the diameter of the wheel (d = 70 cm) 2) In the figure o is the centre of a circle. The area of sector OAPB is 5/18 of the area of the circle. Find x p (100˚) x A B

3) Area of a sector of a circle is 1/6 to the area of circle. Find the degree measure of its minor arc (60˚) 4) If the diameter of a semi circle protractor is 14 cm. Find its perimeter (36cm) 5)...
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