Jamb Mathematics Questions - lengths and areas of plane geometrical figures
Question 21:
The difference between the length and width of a rectangle is 6cm and the area is 135cm2. What is the length?
- A 25cm
- B 18cm
- C 15cm
- D 24cm
- E 27cm
Question 22:
In the figure, find the area of XYZW
- A 60cm<sup style='font-size: smaller;'>2</sup>
- B 54cm<sup style='font-size: smaller;'>2</sup>
- C 27cm<sup style='font-size: smaller;'>2</sup>
- D 54\(\sqrt{2}\)cm<sup style='font-size: smaller;'>2</sup>
- E 27\(\sqrt{2}\)cm<sup style='font-size: smaller;'>2</sup>
Question 23:
In the figure, find x in terms of a, b and c.
- A A + b + c
- B 180<sup style='font-size: smaller;'>o</sup> - (a + b + c)
- C A - b - c
- D A + b
- E A + c
Question 24:
In a figure, PQR = 60o, PRS = 90o, RPS = 45o, QR = 8cm. Determine PS
- A 2\(\sqrt{3}\)cm
- B 4\(\sqrt{6}\)cm
- C 2\(\sqrt{6}\)cm
- D 8\(\sqrt{6}\)cm
- E 8cm
Question 25:
On a square paper of length 2.524375cm is inscribed square diagram of length 0.524375cm. Find the area of the paper not covered by the diagram. correct to 3 significant figures.
- A 6.00cm<sup style='font-size: smaller;'>2</sup>
- B 6.10cm<sup style='font-size: smaller;'>2</sup>
- C 6cmv
- D 6.09cm<sup style='font-size: smaller;'>2</sup>
- E 4.00cm<sup style='font-size: smaller;'>2</sup>