Jamb Mathematics Questions - lengths and areas of plane geometrical figures
Question 41:
In the figure, STQ = SRP, PT = TQ = 6cm and QS = 5cm. Find SR
- A \(\frac{47}{5}\)
- B 5
- C \(\frac{32}{5}\)
- D \(\frac{22}{5}\)
Question 42:
In the figure, PS = RS = QS and QRS = 50°. Find QPR
- A 25<sup style='font-size: smaller;'>O</sup>
- B 40<sup style='font-size: smaller;'>O</sup>
- C 50<sup style='font-size: smaller;'>O</sup>
- D 65<sup style='font-size: smaller;'>O</sup>
Question 43:
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 44:
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 45:
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>