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CBSE Class 10 Answered

Find the area of the equilateral triangle inscribed in a circle of radius 7 ?
Asked by Lochan Khatri | 05 Oct, 2013, 09:49: PM
answered-by-expert Expert Answer
Hence, area of the equilateral triangle = (root3) (side)2/ 4 = (root 3) x 3 x 7 x 7 / 4 = 147 (root3)/ 4 cm2
Answered by | 06 Oct, 2013, 12:04: AM

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CBSE 10 - Maths
A blacksmith has a rectangular sheet of iron. He has to make a cylindrical vessel both circular ends are closed. When he minimizes the wastage of the sheet of iron, then what is the ratio of the wastage to the utilised area of sheet?
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CBSE 10 - Maths
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Question no.13  
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