30 January, 11:47
the sides of a triangle are in the ratio 3: 4: 5 what is the lenghth of each side if the perimeter of the triangle is 90cm
30 January, 12:54
combine like terms
12x = 90
divide by 12
x = 7.5
sides: 3 (7.5),4 (7.5),5 (7.5)
22.5, 30, 37.5
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» the sides of a triangle are in the ratio 3: 4: 5 what is the lenghth of each side if the perimeter of the triangle is 90cm