the length of a side of a triangle is 6cm.the second side is twice the third side.if the perimeter of triangle is 18cm.find the sides of the triangle
Answers
Answered by
107
length=6cm
let the 3rd side be x, then second side will be 2x
perimeter=18cm
p=sum all sides of triangle
18=x+2x+6
18=3x+6
18-6=3x
12=3x
12/3=x
4cm=x
2x=2×4=8cm
let the 3rd side be x, then second side will be 2x
perimeter=18cm
p=sum all sides of triangle
18=x+2x+6
18=3x+6
18-6=3x
12=3x
12/3=x
4cm=x
2x=2×4=8cm
Answered by
44
let second side be x
then third side will be2x
now, 18cm= 6 cm + x cm + 2x cm
18-6 = 3x
x = 4cm
Therfore, second side= 4cm
and third side = 4*2 = 8cm
then third side will be2x
now, 18cm= 6 cm + x cm + 2x cm
18-6 = 3x
x = 4cm
Therfore, second side= 4cm
and third side = 4*2 = 8cm
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