nooramjad25
nooramjad25
26-05-2018
Mathematics
contestada
Can someone please help me with number 2
Respuesta :
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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