Answer:
1: something because you didn't give another number. For example, 1:2 is 1 golf ball to 2 golf tees. A ratio is one thing comparing to another. Hope this helps! I learned this in 6th grade. Brainly if so!
Step-by-step explanation:
Answer:
5cm
Step-by-step explanation:
This is a trick question
Answer:
It looks different. Can you provide some formulae based on it. I may help you out in the comment section!