I think it's the first one.
The relationship between the radian measure of an angle and a circle's radus and circumference can be discribed as follow. The main formula is
C= 2x R x Pi, Pi is an angle measured in radian, R is the radius and C is the circumference, so C is 2 times of the product of the radian measure of an angle and the radius.
Answer:
The answer is 300
Step-by-step explanation:
You multiply the number of cars(bottom row) by 4 to get the number of tires(top row) so if there are 4 cars then there will be 16 tires. If you think about it, there are 4 tires on a car so you would multiply the number of cars by 4 to get the number of tires