Will mark Brainlest Help please If a :b and 4:5 then find the duplicate ratio of a:b
step by step​

the duplicate ratio of a : b

= a²/b²

Step-by-step explanation:

for example:-

for understanding

if u wanna find the duplicate ratio of 4:5

so,

4²/5²= 16/25

•°• 16:25

16:25 is your duplicate ratio of 4:5

i think it’s c i believe