Question

AB BC and CD are three consecutive of a regular polygon angle BAC = 20

1) its each interior angle​

pls answer fast

Answer 1

Answer:

AB, BC and CD are three consecutive sides of a regular polygon and ∠BAC=20

o

,

In △BAC,AB=BC,

Therefore, ∠BCA=∠BAC=20

o

(Isosceles Triangle)

Now,

∠BCA+∠BAC+∠ABC=180

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20

o

+20

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+∠ABC=180

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∠ABC=140

o

Each interior angle = 140

o