1.2 Review Worksheet (continued)
11. D is the midpoint of CE. E has coordinates ( − 3, − 2), and D has coordinates ⎛ ⎝ ⎜ coordinates of C .
⎞ ⎠ ⎟
1 2
2
,1 . Find the
Find the length of the given segments and determine if they are congruent. 12. DE and FG 13. DE and RS
y
4
F
2
D
x
–4
–2
2
4
E S G
–2
–4
R
Use the Distance Formula and the Pythagorean Theorem to find the distance, to the nearest tenth, between each pair of points. 14. U (0, 1) and V ( − 3, − 9) 15. M (10, − 1) and N (2, − 5) 16. P ( − 10, 1) and Q (5, 5)
17. Televisions and computer screens are usually advertised based on the length of their diagonals. If the height of a computer screen is 11 in. and the width is 14 in., what is the length of the diagonal? Round to the nearest inch.
1.2.3 Transformations in the Coordinate Plane Identify each transformation. Then use arrow notation to describe the transformation. 18. 19.
F’
E’
W
X
Z
Y
G’
D’
Z’
Y’
G
D
W’
X’
F
E
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