Question

The perimeters of the two figures shown below are equal. Find the area of the rectangle. (Figure not drawn to scale.)

Answer 1

http://static.k12.com/eli/ecollege/941/2_54816/2_45727_4_54820/86aa7cee8fd5bf5a5385b61011616c4c371f7706/media/6c5386df2742607bc45a687b7065d5d5dca450e4/mediaasset_1230897_1.gif

Answer 2

104 units2
2184 units2
248 units2
250 units2

Answer 3

what did you get for x?

Answer 4

i got 2184 units2

Answer 5

2(5x-1+x) = 5x+6x+7+12

Answer 6

so i got 21

Answer 7

x = 21 is correct and the area of 2184 is correct

Answer 8

Now i can plug "21" into the dimensions of the rectangle every place i find an "x", and you'll be able to calculate the rectangle's area!

Answer 9

correct