D. 16.8 units
A radius is half of the diameter, so to get the answer all you need to do is multiply the length of the given radius by 2.
8.4x2= 16.8
Here's something I learned, if that's a go math text book the answers are always in the last couple pages of the book
Answer:
2:3
Step-by-step explanation:
the ratio is simplified to 2:3
Answer:
The answer is D. The last option. C for the second question. A for the third question.
