1. A triangle has vertices at (10, 1), (15, 1), and (10, 4). y 20 19 18 17 16 15 14 13 12 11 10 9 8. 7 (10, 4) 4 3 2 (10, 1)- (15, 1) 1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 a) Where do the vertices land when you rotate the triangle a half-turn about the po b) Plot the triangle on another coordinate grid. Draw a diagonal line of reflection th (0, 0). Where do the vertices land when you reflect the triangle across the line thi (0, 0)?

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter9: Surfaces And Solids
Section9.1: Prisms, Area And Volume
Problem 49E: A diagonal of a cube joins two vertices so that the remaining points of the diagonal lie in the...
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1. A triangle has vertices at (10, 1), (15, 1), and (10, 4).
y
20
19
18
17
16
15
14
13
12
11
10
9
8.
7
(10, 4)
4
3
(10, 1)-
(15, 1)
1
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
a) Where do the vertices land when you rotate the triangle a half-turn about the point (10, 4)?
b) Plot the triangle on another coordinate grid. Draw a diagonal line of reflection through
(0, 0). Where do the vertices land when you reflect the triangle across the line through
(0, 0)?
Transcribed Image Text:1. A triangle has vertices at (10, 1), (15, 1), and (10, 4). y 20 19 18 17 16 15 14 13 12 11 10 9 8. 7 (10, 4) 4 3 (10, 1)- (15, 1) 1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 a) Where do the vertices land when you rotate the triangle a half-turn about the point (10, 4)? b) Plot the triangle on another coordinate grid. Draw a diagonal line of reflection through (0, 0). Where do the vertices land when you reflect the triangle across the line through (0, 0)?
2. A hexagon has vertices at (2, 8), (2, 17), (6, 17), (6, 12), (8, 12), and (8, 8).
y
20
19
18
(2, 17) (6, 17)
17
16
15
14
13
(8, 12)
(6, 12)
12
11
10
9.
(2, 8)
(8, 8)
7
4
1
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
a) Where do the vertices land when you rotate the hexagon a quarter-turn clockwise about
the point (2, 8)?
on another coordinate grid. Draw a diagonal line of reflection through
» b) Plot the hexagon
(0, 0). Where do the vertices land when you reflect the hexagon across the line through
(0, 0)?
Transcribed Image Text:2. A hexagon has vertices at (2, 8), (2, 17), (6, 17), (6, 12), (8, 12), and (8, 8). y 20 19 18 (2, 17) (6, 17) 17 16 15 14 13 (8, 12) (6, 12) 12 11 10 9. (2, 8) (8, 8) 7 4 1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 a) Where do the vertices land when you rotate the hexagon a quarter-turn clockwise about the point (2, 8)? on another coordinate grid. Draw a diagonal line of reflection through » b) Plot the hexagon (0, 0). Where do the vertices land when you reflect the hexagon across the line through (0, 0)?
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