Find the perimeter. Simplify your answer.
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Which matrix can be multiplied to the left of a vector matrix to get a new vector matrix ?

Aregular pentagon with a perimeter of 21 inches is dilated by a scale factor of 5/3 to create a new pentagon. what is the perimeter of the new pentagon?

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square