nooramjad25
nooramjad25 nooramjad25
  • 26-05-2018
  • Mathematics
contestada

Can someone please help me with number 2

Can someone please help me with number 2 class=

Respuesta :

catlota
catlota catlota
  • 26-05-2018
We need to use the formula:

(n-2) x 180 =  sum of interior angles

where n is the number of sides.

So,

(n-2) x 180 = 1620
n - 2 = 1620 ÷ 180
n - 2 = 9
n = 9 + 2
n = 11

It has 11 sides!
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