Mathematics Practice Test – General Polygon (Questions with Answers and Explanations)

Hello and Welcome to Mathematics Practice Test – General Polygon

  1. You are to attempt 5 random objectives questions ONLY.
  2. Supply Your Full Name and Location in the text box below and begin immediately.
  3. You can attempt as many times as possible
1. 


If an exterior angle of a polygon is 30°, determine the sum of the interior angles. (JAMB 2022)

A. 2520° B. 1080°   C. 1960°    D. 1800°

2. 


What is the size of each interior angle of a 12-sided regular polygon? (JAMB 2011)

A. 120°    B. 30°    C. 180°    D. 150°

3. 


Calculate the sum of all the interior angles of a regular polygon if each of the interior angle is 150°. (JAMB 2021)

A. 1500o   B. 1800o    C. 1260o   D. 720o

4. 


The sum of the interior angle of a pentagon is 6x + 6y. Find y in terms of x. (JAMB 2004)

A. y = 90 - x   B. y = 150 – x   C. y = 60 - x   D. y = 120 – x

5. 


If the exterior angle of a regular polygon is 40°, calculate the size of the interior angle and the number of sides of the polygon. (JAMB 2022)

A. 40° and 9 sides    B. 140° and 3 sides    C. 40° and 3 sides    D. 140° and 9 sides

 

 

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