Question

Plssss answer fast please

Answer 1

Answer:

a)6cm

Step-by-step explanation:


let one side of triangle be x
let the other two sides of the triangle be 2x

perimeter of triangle=P
P=30cm
P=sum of all sides
30cm=2x+2x+x
30cm=5x
30cm=5*x
30/5=x
x=6cm

length of first side of triangle=6cm
length of the other two sides of triangle=12cm


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