9. A pool ball is hit at position A as shown in the diagram. It defl ects off the side wall of the table at position B and then travels to position C .
Calculate the total distance travelled by the ball when going from A to C , correct to one decimal place.
Note: The angle the ball hits the side wall and bounces back off it are the same.
10. In the diagram shown, how high are the two supports x and y for the conveyor belt? Give your answers correct to one decimal place.
x 12 m Revision questions
18A Core skills 1.
(i) Draw a line segment 12 cm long. Using a compass and a straight edge, divide the line segment into three equal parts. What is the length of each division?
(ii) Draw a line segment 12 cm long. Using a compass and a straight edge, divide the line segment into six equal parts. What is the length of each division?
2. The pedestrian crossing shown consists of six evenly spaced white lines. The distance from the centre of the fi rst line to the centre of the sixth line is 7 m.
(i) Draw a line segment to represent the 7 m distance, using a scale of 1: 100.
(ii) Use the division of a line segment construction to show where the centre of the white lines should be placed. How far apart are the centres of the white lines?