Jamb 1990 Mathematics Questions
Question 41:
In the figure, PS = QS = RS and QSR - 100o, find QPR
- A 40<sup style='font-size: smaller;'>o</sup>
- B 50<sup style='font-size: smaller;'>o</sup>
- C 80<sup style='font-size: smaller;'>o</sup>
- D 100<sup style='font-size: smaller;'>o</sup>
Question 43:
In the figure, YXZ = 30o, XYZ = 105o and XY = 8cm. Calculate YZ
- A 16\(\sqrt{2}\)cm
- B 8\(\sqrt{2}\)cm
- C 4\(\sqrt{2}\)cm
- D 22cm
Question 44:
In the figure, PQR is a semicircle. Calculate the area of the shaded region
- A 125<sup style='font-size: smaller;'>\(\frac{2}{7}\)</sup><sup style='font-size: smaller;'>2</sup>
- B 149<sup style='font-size: smaller;'>\(\frac{2}{7}\)</sup>cm<sup style='font-size: smaller;'>2</sup>
- C 234<sup style='font-size: smaller;'>\(\frac{1}{7}\)</sup>cm<sup style='font-size: smaller;'>2</sup>
- D 267<sup style='font-size: smaller;'>\(\frac{1}{2}\)</sup>cm<sup style='font-size: smaller;'>2</sup>