Area for a rhombus: pq/2
First: You will plug your numbers into your equation
You will get: 8.2(10)/2
Next: You will multiply 8.2 by 10
You will get: 82
Your equation should now look like: 82/2
Finally: You will divide 82 into 2
You will get: 41 as your answer
HOPE THIS HELPS! ^_^