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this question
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Let, 1 side be = 25x
2 side be = 17x
3 side be = 12x
According to question, 25x+17x+12x=450
⟹x=
54
450
⟹x=
3
25
So, sides are
3
625
,
3
425
,
1
100
Area =
s(s−a)(s−b)(s−c)
s=semi−perimeter
s=225, a=
3
625
, b=
3
425
, c=
1
100
Area=
225(225−
3
625
)(225−
3
425
)(225−100)
⟹
225(
3
50
)(
3
250
)(125)
⟹6250 m
2
2 side be = 17x
3 side be = 12x
According to question, 25x+17x+12x=450
⟹x=
54
450
⟹x=
3
25
So, sides are
3
625
,
3
425
,
1
100
Area =
s(s−a)(s−b)(s−c)
s=semi−perimeter
s=225, a=
3
625
, b=
3
425
, c=
1
100
Area=
225(225−
3
625
)(225−
3
425
)(225−100)
⟹
225(
3
50
)(
3
250
)(125)
⟹6250 m
2
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