Question

What is the perimeter of the figure to the nearest tenth of a millimeter?



A.
9.4 millimeters

B.
12.0 millimeters

C.
21.4 millimeters

D.
30.8 millimeters

Answer 1

umm do you want answers or how to get them

Answer 2

hii phi

Answer 3

do you know perimeter means the distance around the figure
can you figure out the lengths of the "straight sides"?

Answer 4

i want to know how to figure it out no answers

Answer 5

can you figure out the lengths of the "straight sides"?

Answer 6

yea, 3?

Answer 7

i think he means all together

Answer 8

oh , 12

Answer 9

ok. next we need the length of the curved part

It is 1/2 of a circle (I assume)

I would find the distance around a whole circle, then divide in half

do you know how to find the distance around a circle ?

Answer 10

circumference

Answer 11

yes, can you do this circle ?

Answer 12

whats the formula?

Answer 13

lost ?

Answer 14

yes...

Answer 15

did you learn about circles ?

Answer 16

yes

Answer 17

did you learn about "circumference" which is the word for the distance around the circle?
do you have notes about it ?

Answer 18

yes

Answer 19

what do your notes say?

Answer 20

lol phi you got this ill come back and learn it later
ps. i got suspended by tk @phi

Answer 21

have you seen

C= 2pi r
or
C= pi d
?