Question

3.
10
18
a
15
6
4
b
7.2
if the scale factor of figure a to figure b is

Explanation:

Step1: Select corresponding sides

Let's take the side of length 10 in Figure A and the side of length 6 in Figure B.

Step2: Calculate scale - factor

The scale - factor from Figure A to Figure B is $\frac{\text{Side in Figure A}}{\text{Side in Figure B}}=\frac{10}{6}=\frac{5}{3}$.

Answer:

$\frac{5}{3}$