Selected MCQ

Current Question
A rectangular field has one side 4 m and a diagonal of 5 m. What is an area?
  • A. 12 sq m
  • B. 4√14 sq m
  • C. 20 sq m
  • D. 15 sq m
Correct Answer: A
Explanation:
Other side = 3 → area = 12.
Related Question 1
A rectangular field has a diagonal length. Find the side length.
  • A. 15.16 cm
  • B. 16.17 cm
  • C. 17.18 cm
  • D. 18.19 cm
Correct Answer: C
Explanation:
Use Pythagoras theorem.
Related Question 2
A rectangular field is fenced on three sides, leaving one side of 20 ft open. If the area is 680 sq ft, what is the length of the fence?
  • A. 34 ft
  • B. 40 ft
  • C. 68 ft
  • D. 88 ft
Correct Answer: D
Explanation:
Solve dimensions and add three sides.
Related Question 3
A rectangular carpet has an area of 60 m². The diagonal plus the longer side equals five times the shorter side. What is the length?
  • A. 5 m
  • B. 12 m
  • C. 13 m
  • D. 14.5 m
Correct Answer: B
Explanation:
Using the Pythagorean relation gives a length of 12 m.
Related Question 4
A rhombus has a side of 26 m and a diagonal of 20 m. Find the area.
  • A. 529 m²
  • B. 240 m²
  • C. 260 m²
  • D. 480 m²
Correct Answer: D
Explanation:
Use the diagonal relation.
Related Question 5
A rectangular grass field 75 m × 55 m has a path of width 2.5 m all around. Find the area and cost.
  • A. 675, Rs. 1350
  • B. 575, Rs. 1350
  • C. 1350, Rs. 675
  • D. None
Correct Answer: A
Explanation:
Path area computed from outer minus inner rectangle.