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CBSE Class 9 Answered

the side of a triangular field are 325m,300m,125m,.its area is
Asked by diptiadalj | 08 Nov, 2018, 10:17: AM
answered-by-expert Expert Answer
To find the area of triangle using sides we use Herons formula.
s = (a + b + c)/2 where a = 325 m, b = 300 m and c = 125 m
s = (325 + 300 + 125)/2 = 375 m
Aera of triangle =begin mathsize 16px style square root of straight s left parenthesis straight s minus straight a right parenthesis left parenthesis straight s minus straight b right parenthesis left parenthesis straight s minus straight c right parenthesis end root equals square root of 375 left parenthesis 375 minus 325 right parenthesis left parenthesis 375 minus 300 right parenthesis left parenthesis 375 minus 125 right parenthesis end root equals 18750 space straight m squared end style
Answered by Arun | 08 Nov, 2018, 01:00: PM

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