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. 


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

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

2. 


The sum of the interior angles of a regular polygon with k sides is (3k - 10) right angles. Find the size of the exterior angle. (WASSCE 2021)

A. 60°     B. 40°    C. 90°    D. 120°

3. 


The angles of a polygon are given by x, 2x, 3x, 4x and 5x respectively. Find the value of x. (JAMB 2012)

A. 24°   B. 30°    C. 33°    D. 36°

4. 


The interior angles of a pentagon are (x + 8)°, (x + 12)°, (x - 2)°, (x + 10)° and (x + 12)°. The value of x is ______ (JAMB 2020)

A. 40°    B. 70°    C. 100°    D. 110°

5. 


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

 

 

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