Question

The polygons are similar but not necessarily drawn to scale. What is the value of xr?

X-3
2.5
16
Ox=13
Ox=7
Ox= 5.5
Ox= 10

Answer 1

a) 13

Explanation:

1. find the scale factor

`4x=16`

`x=4`

2. use the scale factor to determine what that side would be on the bigger polygon

`2.5(4)`

`=10`

3. use this number to determine what the value of
`x` is

`x-3=10`

`13-3=10`

`x=13`