Answer:

Step-by-step explanation:
Let
, we need to determine
, which can be found by applying the following property:
,
(1)
Then,


Answer:
69.08 yd
Step-by-step explanation:
11 + 9
this is annoying that answers have to be 20 characters....
None of these choices are correct
The down side of the shape is unknown and cannot be found, therefore you cannot find the perimeter of the shape.