2. please help this questiong

3: 2

step-by-step explanation:

shorter piece is 2: 3, so just reverse it, and you get 3: 2

i got 86 for this

hope this !

if you need an explanation just ask

56.6

step-by-step explanation:

the ratio of the perimeters is equal to the scale.

the ratio of the areas is equal to the square of the scale.

34 / 20 = k

a / 19.6 = k²

substituting:

a / 19.6 = (34 / 20)²

a = 19.6 (34 / 20)²

a ≈ 56.6