Question

The interior angle of a regular polygon is 162°. Calculate: (a) the exterior angle of the polygon (b)) the number of sides of the polygon (c) the sum of the interior angles of the polygon. 5. (a) Solve the inequality 2(x - 3) - 5 < 4 + 4x and state two lowest possible values of x. (b) One- third of an odd number added to one- fifth of the next odd number gives a total of 18. Find the odd number. Show workings

Answer 1

Answer:

a) 18°

b) 10

c) 360°

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Answer 2

Fleming’s right hand rule: Stretch the forefinger, middle finger and the thumb of your right hand mutually perpendicular to each other. If the forefinger indicates the direction of magnetic field and the thumb will indicates the direction of motion of conductor, then the middle finger indicates the direction of induced current.