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Dilate
Scale Factor
Area
Perimeter
Review Stuff
100
(3, 5) by a scale factor of 7
21, 35
100
A (2, 3) A' (4, 6)
2
100
Area = 15, scale factor is 5
375
100
P = 37, scale factor of 4
148
100
What is the distance between 5 and -13 on the number line?
18
200
(-1, 5) by a scale factor of 4
-4, 20
200
A (10, 9) A' (5, 4.5)
1/2
200
A = 37, scale factor of 4
592
200
P = 56, scale factor of 10
560
200
-7 + 4x = -27
x = -5
300
(-12, -8) by a scale factor of 1/2
-6, -4
300
A' (12, -8) A (3, -2)
4
300
A = 1.6, scale factor of 7
78.4
300
P = 43, scale factor of 7.2
309.6
300
-0.5x + 15 = 9
x = 12
400
(-4, 10) by a scale factor of 3/2
-6, 15
400
Rectangle A: 9 by 12 Rectangle A': 31.5 by 42
3.5
400
A = 85, scale factor of 1/2
21.25
400
P = 9, scale factor of 4.6
41.4
400
4 + 6 * 3 - 4^2 + 27 - 32
1
500
(-4, 5) by a scale factor of 1.4
-5.6, 7
500
Rectangle A': 18 by 21 Rectangle A: 7.2 by 8.4
2.5
500
original Area = 5 new Area = 125 What is the scale factor?
5
500
original Perimeter = 120.9 new Perimeter = 386.88 What is the scale factor?
3.2
500
Volume of cylinder with a radius of 9 and height of 3.5
890.19