OpenStudy (anonymous):

The polygons below are similar, but not necessarily drawn to scale. Find the values of x and y.

3 years ago
OpenStudy (anonymous):

|dw:1395802794135:dw|

3 years ago
OpenStudy (anonymous):

I am no good at algebra

3 years ago
OpenStudy (squirrels):

Ok, so the top part for both shapes give you the measurements. So what is 10 divided by 2?

3 years ago
OpenStudy (anonymous):

5

3 years ago
OpenStudy (squirrels):

Ok good so now we can divide 20 by 5 for the bottom part. What is 20 divided by 5?

3 years ago
OpenStudy (anonymous):

10

3 years ago
OpenStudy (anonymous):

no ...

3 years ago
OpenStudy (anonymous):

4

3 years ago
OpenStudy (squirrels):

Ok good (: Now we know that the bottom part for the second square is 4. "y-1" What can be plugged into "y" to make the answer 4

3 years ago
OpenStudy (anonymous):

I have no idea

3 years ago
OpenStudy (squirrels):

y-1=4 is that better?

3 years ago
OpenStudy (anonymous):

How did that happen?

3 years ago
OpenStudy (squirrels):

So we know that the bottom part for the second shape is 4 right? But it says "y-1" Now we have to use a number for "y" to find 4

3 years ago
OpenStudy (squirrels):

|dw:1395803541285:dw|

3 years ago