Question

Correct the mistakes in each of the following
(a) 5.3897 = 5.3897 X10-2
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Answer 1

Answer:

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Answer 2

Answer:

★ \Huge\tt\underline\blue{ANSWER}

ANSWER

The number of sides minus two, the result multiplied by 180 degrees equals the total number of degrees in the regular polygon.

\huge\bigstar\:★ \Huge\tt\underline\blue{EXPLAINATION}

EXPLAINATION

The total number of degrees in the regular polygon divided by the number of sides (angles) is the number of degrees in each angle.

N is the number of sides.

140 is the number of degrees in each angle.

140 N = 180 (N-2)

140 N = 180 N -360

360 = 40 N

N = 9 sides, a nonagon.

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