Search SchoolNGR

Friday, 14 August 2026
Register . Login

Mathematics Past Questions and Answers

Topic: Plane geometric shapes

Jamb Mathematics Questions - Plane geometric shapes

Question 21:
In triangle PQR, PQ = 1cm, QR = 2cm and PQR = 120o Find the longest side of the triangle
  • A \(\sqrt{3}\)cm
  • B \(\sqrt{7}\)cm
  • C 3cm
  • D 7cm
View Answer & Explanation
Question 22:
In the figure, PS = 7cm and RY = 9cm. IF the area of parallelogram PQRS is 56cm2. Find the area of trapezium PQTS
  • A 56cm<sup style='font-size: smaller;'>2</sup>
  • B 112cm<sup style='font-size: smaller;'>2</sup>
  • C 120cm<sup style='font-size: smaller;'>2</sup>
  • D 176cm<sup style='font-size: smaller;'>2</sup>
View Answer & Explanation
Question 23:
A regular polygon of (2k + 1) sides has 140° as the size of each interior angle. Find k
  • A 4
  • B 4\(\frac{1}{2}\)
  • C 8
  • D 8\(\frac{1}{2}\)
View Answer & Explanation
Question 24:
if x : y = 5 : 12 and z = 52cm, find the perimeter of the triangle.
  • A 68cm
  • B 84cm
  • C 100cm
  • D 120cm
View Answer & Explanation
Question 25:
A square tile has side 30cm. How many of these tiles will cover a rectangular floor of length 7.2m and width 4.2m?
  • A 336
  • B 420
  • C 576
  • D 720
View Answer & Explanation