A) Sam jogs 6 laps around a circular running track which has a radius of 30 meters. How far does she jog in total?

B)Tom and Jerry decide to find the perimeter of their garden. Tom measures the length as 5.2 meters while Jerry measures the width as 370cm. What is the perimeter?

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A) To find the total distance Sam jogged, we need to find the circumference of the circular running track. The formula for the circumference of a circle is C = 2πr, where C is the circumference and r is the radius.

In this case, the radius of the track is given as 30 meters. So, substituting the values into the formula, we have:

C = 2π(30) = 60π

To find the total distance Sam jogged, we multiply the circumference by the number of laps (6). So, the total distance is:

Distance = 60π * 6

B) To find the perimeter of the garden, we need to add up all the sides. In this case, we have the length and width given by Tom and Jerry, respectively.

The length is given as 5.2 meters. Since the perimeter is the sum of all sides, we add the length to itself (since there are two sides with the same length):

Length = 5.2 + 5.2 = 10.4 meters

The width is given as 370 cm. To convert this to meters, we divide by 100 (since there are 100 centimeters in a meter):

Width = 370 / 100 = 3.7 meters

Now, we can find the perimeter by adding up all the sides:

Perimeter = 2(Length + Width)

Substituting the values we found, we have:

Perimeter = 2(10.4 + 3.7) = 2(14.1) = 28.2 meters

Therefore, the perimeter of their garden is 28.2 meters.