Question

the sum of a polygon is 3420°.How may sides does it have? ​

Answer 1

Answer:

to find the sides of polygon

AS WE KNOW THAT IT HAVE 5 SIDES AND HENCE WILL HAVE FIVE ANGLES

SO LET EACH ANGLE =X

SO SUM OF ALL ANGLES =5X

GIVEN THAT SUM OF POLYGON ANGLES=3420

SO,

5X=3420

X=684

EACH ANGLE IS OF 684 DEGREE

AND HAVE 5 SIDES

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