Question

MEDAL AND FAN

1 In the formula C = 2r, C stands for___

2 Which regular polygon with an apothem of 5 inches, will have a perimeter that is the closest to the circumference of a circle with a diameter of 10.8 inches?

square
pentagon
hexagon
octagon

3 Find the value of the circumference of a circle with the given diameter.

3.21 ft.

C =

1.61
3.21
6.42

4 Find the radius of a circle with the given circumference.

12 in.

r =

6 inches
6 inches
12 inches
24 inches

Answer 1

For 1, C stands for circumference.

Answer 2

i have them answered but want to double check

Answer 3

Okay then give me your answers.

Answer 4

1 Circumference
2 D
3 C
4 A

Answer 5

are these right?

Answer 6

are these right?

Answer 7

Hang on. I'm losing my connection, but yes 1 & 2 are both correct.

Answer 8

so 3 and 4 are wrong?

Answer 9

3 is B, I believe and #4 is right. :)

Answer 10

3.21

Answer 11

You see, diameter is half of the radius, and if you take that half you need to multiply it by 2 again.

Answer 12

i meant B just typed it wrong

Answer 13

thanks

Answer 14

You're welcome!