Vocabulary
The number that when multiplied by side lengths gives you the scaled copy.
What is a scale factor?
1/2
2
A rectangle has side lengths 3 x 6, if the scale factor is 2. What are the side lengths of the scaled copy?
What are 6 and 12?
Draw the scaled copy of a rectangle whose side lenghts are 1 x 2, when the scale factor is 2.
side lengths 2 x 4
Segment AE
Segment WU
Parts of two or more figures that match in the same realive position.
What is corresponding parts?
3/5
5/3
A triangle has side lengths of 6, if the scale factor is 1/2, what is the side lengths of the scaled copy?
What is 3?
9, 12, and 15
Point X
A figure with the same shape as the original but enlarged or reduced.
What is a scaled copy?
1/9
If Copy A of a rectangle has side lengths 2 x 6 and Copy B of the rectangle has side lengths 4 and 12, what was the scale factor used to go from Copy A to Copy B?
What is 2?
Draw a scaled copy of a square whose side lengths was 4, when the scale factor is 1/2.
2
Segment YZ
Segment BD
A number that, when multiplied by the original number, equals 1.
What is the reciprocal?
5/6
6/5
What is 1/2?
Draw the scaled copy of a rectangle whose side lengths are 4 & 6 when the scale factor is 10.
40 x 60
Angle ABC
Angle WYX
A shape that has four right angles and 4 sides of the same length.
What is a square?
10
1/10
If a triangle A has angles 90, 30, & 60, and side lengths 3, 4, & 5. Triangle B has angles 90, 45, & 45, and side lengths 6, 8, 10. Are they scaled copies?
What is NO
Draw the scaled copy of a triangle whose side lengths are 7, 9, 12 if the scale factor is 1/2.
3.5, 4.5, 6
Segment EC
Segment UX