Question

Whats the scale factor from shape a to shape b

Answer 1

scale factor =
`(5)/(3)`

Explanation:

The scale factor is the ratio of corresponding sides , B to A

scale factor =
`(50)/(30)` =
`(5)/(3)`

Then

`(x)/(15)` =
`(5)/(3)` ( cross- multiply )

3x = 75 ( divide both sides by 3 )

x = 25

and

`(18)/(y)` =
`(5)/(3)` ( cross- multiply )

5y = 54 ( divide both sides by 5 )

y = 10.8