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Wednesday, 13 May 2026
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Mathematics Past Questions and Answers

Waec Mathematics Questions

Question 1866:
The angle of a sector of a circle of radius 35cm is 288o. Find the perimeter of the sector. [Take π = 22/7]
  • A 246cm
  • B 211cm
  • C 141cm
  • D 114cm
  • E 44cm
View Answer & Explanation
Question 1867:
How many sides has a polygon if the sum of its interior angle is 1440o?
  • A 6
  • B 7
  • C 8
  • D 9
  • E 10
View Answer & Explanation
Question 1868:
Each interior angle of a regular nonagon(nine sided polygon) is equal to
  • A 160o
  • B 144o
  • C 140o
  • D 132o
  • E 36o
View Answer & Explanation
Question 1869:
In the diagram above, find x correct to the nearest degree
  • A 15o
  • B 25o
  • C 26o
  • D 36o
  • E 72o
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Question 1870:
In the diagram above, TRQ is a straight line. Find p, if p = 1/3(a + b + c)
  • A 45o
  • B 60o
  • C 90o
  • D 120sup>o
  • E 150o
View Answer & Explanation