Question

Which of these shows the correct method of finding the value of x?

360 ÷ 7

180 ÷ 4

360 ÷ 4

360 ÷ 6

Answer 1

ok. the picture of x is what is called an external angle. all the external angles in a regular polygon add up to 360. because there are 6 angles in this one the answer would be 360/6

Answer 2

do you go to BC?

Answer 3

Thank you and no i dont, BC and Cornell are my 2 dream colleges.

Answer 4

check JHU

Answer 5

its a pretty sick place

Answer 6

Will do, think you can help me with one more problem?

Answer 7

sure

Answer 8

What is the value of x?

40

30

25

45

Answer 9

are you given any information about the pic?

Answer 10

A collage in the shape of a regular octagon is mounted on a rectangular frame as shown below.

Thats all I was given.

Answer 11

k, i want you to figure this one out but im going to help you. do you know what a complimentary angle is?

Answer 12

yes.

Answer 13

ok, remember what i said before about external angles?

Answer 14

also you know what a supplementary angle is also, right?

Answer 15

yes all external angles add up to 360, then divide by the amount of external angles right?

Answer 16

yes

Answer 17

so what would the value of an external angle be in this case

Answer 18

it would be 360 divided by 4 right? or 8?

Answer 19

you tell me

Answer 20

looks like 8 so the angle would be 45?

Answer 21

bingo!

Answer 22

Thanks you!

Answer 23

*Thank