Answer:
1) 6.67
2) 7
3) 18
4) 6
Step-by-step explanation:
since the shapes are similar, the proportions are the same
1) there is a scale factor of 10/6, or 1 and 2/3 (1.66666666)
multiply 4 by the scale factor
2) there is a scale factor of 1/6
multiply 42 by 1/6
3) there is a scale factor of 1.5
multiply 12 by 1.5
4) there is a scale factor of 2
multiply 3 by 2
