Answer:
r = 18 cm
Step-by-step explanation:
Hello
The formula for circumference is 2*Pi*r
So you have the valur for that formula:
2*Pi*r = 36Pi
r = 36/2
r = 18 cm
Bes regards
Answer:
The values of k are 3 and -3
Step-by-step explanation:
we know that
the formula to calculate the distance between two points is equal to
we have

substitute
squared both sides




Percent mark up the amount of percent gain so (12-10)/10 or <u>20%</u>
All the transformation performed on a pentagon does not affect on its size or its length
It is not stretched or shrunk
So,
The original and transformed images are congruent