Question

HELP PLZ WILL MEDAL AND FAN

Answer 1

that's right!

Answer 2

@Michele_Laino

Answer 3

you have to apply this formula:
(11-2)*180=...

Answer 4

=1620

Answer 5

that's right!

Answer 6

Its B i guess

Answer 7

B? nope

Answer 8

i mean, A sorry.. concave /convex .. confused

Answer 9

B right

Answer 10

the general formula, is:
\[\left( {N - 2} \right) \times 180\]
where N is the number of sides of our polygon

Answer 11

for this one?

Answer 12

i thought it was 16*180/18

Answer 13

here we have to do this computation:
\[\frac{{\left( {18 - 2} \right) \times 180}}{{18}} = ...\]

Answer 14

160 :D

Answer 15

correct!

Answer 16

here we have to apply this formula:
\[\left( {N - 2} \right) \times 180 = 1980\]

Answer 17

so, we have:
\[N - 2 = \frac{{1980}}{{180}}\]
N is the number of sides of our polygon

Answer 18

13 :D

Answer 19

ok!

Answer 20

OMG THX SO MUCH!!!!

Answer 21

your the BEST PERSON EVER!!

Answer 22

:D