Two sides of a triangle field 85 m and 150 m length and its perimeter is 324 m find the area of field and find the length of perpendicular from the opposite vertex on the side of measure 154m
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RR JACK ARYABHATTA ANSWERS
given.. two side of a triangular field is A=85m and B=154m so C=let X
perimeter of triangular field= A+B+C=324
85+154+X=324
239+X=324
so, X= 324-239=85
C=85m
now,
find the are of triangular field by using herons formula, so
semi perimeter=A+B+C/2=85+154+85/2=324/2
so Sp= 162
under root√s(s-a)(s-b)(s-c)
under root√162(162-85)(162-154)(162-85)
under root√162×77×8×77
now area =2772m
given.. two side of a triangular field is A=85m and B=154m so C=let X
perimeter of triangular field= A+B+C=324
85+154+X=324
239+X=324
so, X= 324-239=85
C=85m
now,
find the are of triangular field by using herons formula, so
semi perimeter=A+B+C/2=85+154+85/2=324/2
so Sp= 162
under root√s(s-a)(s-b)(s-c)
under root√162(162-85)(162-154)(162-85)
under root√162×77×8×77
now area =2772m
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