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#1**+1 **

Remember, the perimeter of any polygon is the sum of the lengths of its sides.

So to find the perimeter of (a) and (b) , add up the lengths of the sides.

I'll do (b) :

perimeter of shape b , in meters = 3.4 + 3 + 2 + 2.8 + 3.8

perimeter of shape b , in meters = 15

The answer to part (b) is 15 .

Can you answer part (a)? To get the answer, add up the lengths of the four sides.

hectictar Aug 30, 2018

#3**0 **

The third question says, "Find the area of the parallelogram."

So we know that the shape is a parallelogram, and we know that the opposite sides are congruent.

That means the unlabeled side lengths would be labeled like this:

And...

the perimeter, in ft = 26 + 23 + 26 + 23 = 98

hectictar Aug 30, 2018