Aballoon has a circumference of 23 cm. use the circumference to approximate the surface area of the balloon to the nearest square centimeter. a. 1,662 cm2 b. 529 cm2 c. 168 cm2 d. 674 cm2

Area = 42.062184.

Step-by-step explanation:

Given : A balloon has a circumference of 23 cm.

To find : Use the circumference to approximate the surface area of the balloon to the nearest square centimeter.

Solution : We have given circumference of 23 cm.

circumference = 2 * pi * radius.

23 = 2 * 3.14 * radius.

23 = 6 .28 * radius.

On dividing by 6.28 both sides

radius = 3.66 cm.

Area = pi * radius².

Area = 3.14 * ( 3.66)².

Area = 3.14 * 13.3956

Area = 42.062184.

Therefore, Area = 42.062184.

c) the median for town a 30" is greater than the median for town b 25"

step-by-step explanation:

town a, median = q2 = 30

town b, median - q2 = 25

so the median for town a 30" is greater than the median for town b 25"

answer: a

step-by-step explanation: the answer is a due to the rule of symmetry; that a line of symmetry must divide a figure into 2 pieces that are the exact same, only reflected over a line of symmetry. b and c do not have lines of symmetry and would not divide the figure evenly, thus making the answer a.