1.1 Review Worksheet (continued)
12. Sketch, draw, and construct a segment twice the length of AB .
A
B
13. D is between C and E , CE = 17.1, and DE = 8. Find CD.
14. Find MN.
M
N R x
2.5 x
5 x – 3
15. During a football game, a quarterback standing at the 9-yard line passes the ball to a receiver at the 24-yard line. The receiver then runs with the ball halfway to the 50-yard line. How many total yards (passing plus running) did the team gain on the play?
10 20 30 40 50 40 30 20 10
16. E is the midpoint of DF, DE = 2 x + 4, and EF = 3 x − 1. Find DE , EF , and DF .
17. Q bisects PR, PQ = 3 y , and PR = 42. Find y and QR .
1.1.3 Measuring and Constructing Angles 18. Pendulum clocks have been used since 1656 to keep time. The pendulum swings back and forth once or twice per second. Name all of the angles in the diagram.
12
1
11
2
10
9
3
4
8
7
5
6
M
1 2
L
J
K
39
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