Keep multiplying the number by 31, and write that down to show ur work
Answer:
18 inches and 57 inches
Step-by-step explanation:
The diameter and the circumference of a circle are proportionate to each other.
The circumference of a circle will always be the diameter times . We know this because the circumference of a circle is represented as
Since the diameter is twice the radius, we multiply the radius by 2 - there's already a in this equation, so .
1st option: , this is close to 57 so it's reasonable.
2nd option: , this isn't close to 28 at all.
3rd option: , this isn't close to 80 at all.
So the 1st option is reasonable.
Hope this helped!
Answer:
Step-by-step explanation:
Similar shapes must have corresponding sides in a constant proportion. Therefore, we can set up the following equation and solve for :
(divide corresponding sides)
B irrational numbers true or false