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area of triangular field = under root s(s-a)(s-b)(s-c)
s = 41+40+9/2=90/2=45
under root 45 (45-41)(45-40)(45-9)
under root 45 (4)(5)(36)
under root 45 × 720
under root 3240
please do this calculation after convert this into cm and divide by the area that is given you got the answer. sorry actually I have to go some where
s = 41+40+9/2=90/2=45
under root 45 (45-41)(45-40)(45-9)
under root 45 (4)(5)(36)
under root 45 × 720
under root 3240
please do this calculation after convert this into cm and divide by the area that is given you got the answer. sorry actually I have to go some where
vedika17:
thanks for marking it brainliest
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