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A circular disc of 6 cm radius is divided into three sectors with central angles 1200, 1500,900. What part of the circle is the sector with central angles 1200. Also give the ratio of the areas of three sectors. (Ans: 1/3 (Area of the circle) 4 : 5 : 3)
Ans: Ratio of areas = 120/360 Π x 62 : 150/360 Π x 62 : 90/360 Π x 62 = 12 Π : 15 Π : 9 Π= 4 : 5 : 3
Area of sector of central angle 120o =120o/360oxΠ r
(i.e.)1/3 of area of the circle.
what is a liter
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5.6:4=x:140
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The height of a rectangle is 20 cm. The diagonal is 8 cm more than the length. Determine the length of the rectangle. a. 20 b. 23 c. 22 d. 21 d. To determine the len
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if a circles diameter is 42 mm its radius is _________________ because ________________________.
cos^2(A)x sin(A)
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