Question

What is the measure of each angle in a regular polygon with 18 sides?
a) 156
b) 160
c) 180
d) 320

Answer 1

do u know that angle in polygon 180(n-2) where n is number of sides

Answer 2

so its 180(n-18) ?

Answer 3

180(18-2)*

Answer 4

yes

Answer 5

and when is regular all of angles are equal :)

Answer 6

Did u get it? @Pricilla077

Answer 7

so to get the answer I put 180 times 18-2?

Answer 8

nope

Answer 9

u also need to divide it by 18

Answer 10

for example?

Answer 11

let us take a reqular pentagon at first

Answer 12

no. of sides = 5

Answer 13

right?

Answer 14

yes

Answer 15

So, 180(5-2) gives sum of all angles of a pentagon

Answer 16

got it?

Answer 17

thing is, I dont get the part that 180(5-2). do i miltiply 180*5-2 or divide it ?