Question

Will mark Brainlest Help pleaseIf a:b =4:5 then find the duplicate value of a:b​

Answer 1

Answer:

$16:25$

Step-by-step explanation:

The duplicate ratio of any ratio $x:y$ is $x^2:y^2$. Therefore, the duplicate ratio of 4:5 is equal to $4^2:5^2=\boxed{16:25}$

Answer 2

Answer:

it must be 5:4..I'm not sure.