The 5 km of highway between City X and City Y is closed. There are two possible detour routes: one through Town A and one through Town B, as shown in the diagram to the left.
How much shorter is the detour through Town B than the detour through Town A?
- 18 km
- 7 km
- 9 km
- 16 km
The sign to the left is made up of a rectangle and a semicircle.
Which of the following is closest to the area of the sign?
- 653 cm2
- 1410 cm2
- 347 cm2
- 1007 cm2
