The angles of a polygon are given by x, 2x, 3x, 4x and 5x respectively. Find the value of x.

Assessment: JAMB UTME - Mathematics - 2012 Subject: General Mathematics

Question 1 Report

The angles of a polygon are given by x, 2x, 3x, 4x and 5x respectively. Find the value of x.
Answer Details
The sum of the interior angles of a polygon can be found using the formula: (n - 2) * 180°, where n is the number of sides of the polygon. In this case, the polygon has 5 sides, so the sum of its interior angles is (5 - 2) * 180° = 540°. Let's call the value of x "a". The sum of the angles of the polygon is given by: x + 2x + 3x + 4x + 5x = 15x Since the sum of the angles is 540°, we have: 15a = 540 Dividing both sides by 15, we get: a = 36 So, the value of x, or the common difference between the angles of the polygon, is 36°

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