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Asked by Girishdhawan | 25 Jun, 2018, 09:07: PM
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begin mathsize 16px style Area space of space straight a space Rectanglular space field space equals space 50 space cross times space 30 space equals space 1500 straight m squared By space Heron apostrophe straight s space Formula comma straight a space equals space 14 straight m space comma space straight b space equals space 15 straight m comma space and space straight c space equals space 13 straight m semi minus perimeter space space straight s space equals space fraction numerator straight a space plus space straight b space plus space straight c over denominator 2 end fraction space equals fraction numerator 14 space plus space 15 space plus space 13 over denominator 2 end fraction space equals space 21 space straight m Area space of space straight a space triangular space park space equals space square root of straight s space left parenthesis space straight s space minus straight a space right parenthesis space left parenthesis space straight s minus space straight b right parenthesis space left parenthesis space straight s space minus space straight c right parenthesis end root space space space space space space space space space space space space space space space space space space space space space space space space space space equals space square root of 21 left parenthesis space 21 space minus space 14 right parenthesis space left parenthesis space 21 space minus space 15 right parenthesis space left parenthesis space 21 space minus space 13 right parenthesis end root space space space space space space space space space space space space space space space space space space space space space space space space space space equals space square root of 21 space cross times 7 space cross times space 6 space cross times 8 space end root space equals space square root of 7056 space equals 84 space straight m squared space Therefore comma Area space of space the space remaining space field space equals Area space of space straight a space Rectanglular space field space minus Area space of space straight a space triangular space park space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals space 1500 space minus space 84 space equals space 1416 straight m squared end style
Answered by Yasmeen Khan | 27 Jun, 2018, 09:31: AM

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CBSE 9 - Maths
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CBSE 9 - Maths
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CBSE 9 - Maths
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CBSE 9 - Maths
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CBSE 9 - Maths
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