Question

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

Answer 1

I am no good at algebra

Answer 2

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

Answer 3

5

Answer 4

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

Answer 5

10

Answer 6

no ...

Answer 7

4

Answer 8

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

Answer 9

I have no idea

Answer 10

y-1=4 is that better?

Answer 11

How did that happen?

Answer 12

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