Question

the angle measures of an octagon are in arithmetic sequence :
a) what is the sum of its angles?
b) what ia the sum of its smallest and largest angles?
c) if the difference between the smallest and the largest angle is 70, then what is the measure of smallest angle?
d) will any of the angle of the octagon will right angle? why?
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Answer 1

Step-by-step explanation:

a) sum =(n-2)×180=(8-2)×180=1080

b)sum. =270

c)smallest =100

d)no bcz smallest angle is 100