the perimeter of a triangle is 480 metersl and its sides are in tatio 1:2:3 find the area of triangle (how its area be zero gove reason)
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perimeter=480m
let sides of triangle be 1x,2x and 3x
1x+2x+3x=480
6x=480
x=480/6
x=80
so sides are 80, 160 and 240m
area of triangle by heron's formula-
s= 480/2 = 240m
area=√240(240-80)(240-160)(240-240)
= √240×160×80×0
= 0m^2
its because if u multiply any no. with 0 then resultant ans will also be 0.
I hope it will be correct
let sides of triangle be 1x,2x and 3x
1x+2x+3x=480
6x=480
x=480/6
x=80
so sides are 80, 160 and 240m
area of triangle by heron's formula-
s= 480/2 = 240m
area=√240(240-80)(240-160)(240-240)
= √240×160×80×0
= 0m^2
its because if u multiply any no. with 0 then resultant ans will also be 0.
I hope it will be correct
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