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The area of a circle inscribed in an equilareal triangle is 48straight pi square units , then perimeter of triangle
Asked by sankalpsamiti | 07 Feb, 2016, 01:03: AM
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begin mathsize 14px style L e t space a space b e space t h e space s i d e space o f space t h e space t r i a n g l e space a n d space h space b e space t h e space h e i g h t space o f space t h e space t r i a n g l e. L e space r space b e space t h e space r a d i u s space o f space t e h space c i r c l e. A r e a space o f space a space c i r c l e equals 48 straight pi space sq. space units rightwards double arrow πr squared equals 48 straight pi rightwards double arrow straight r squared equals 48 rightwards double arrow straight r equals 4 square root of 3 space units Now comma space straight h equals 3 straight r equals 3 cross times 4 square root of 3 equals 12 square root of 3 space units ANd comma space square root of straight a squared minus straight a squared over 4 end root equals 12 square root of 3 rightwards double arrow fraction numerator square root of 3 straight a over denominator 2 end fraction equals 12 square root of 3 rightwards double arrow straight a equals 24 space units Thus comma space perimeter space of space triangle equals 3 cross times 24 equals 72 space units end style
Answered by Rashmi Khot | 08 Feb, 2016, 12:16: PM

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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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CBSE 10 - Maths
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CBSE 10 - Maths
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CBSE 10 - Maths
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Asked by seeni2005 | 24 Nov, 2019, 03:48: PM
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CBSE 10 - Maths
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CBSE 10 - Maths
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CBSE 10 - Maths
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