A square has a perimeter of 16.4 inches. The area of the square is square inches.
1 answer:
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Answer:
1) expand the radical by seperating it according to its factors;
3
SINCE 9 is a PERFECT SQUARE WE CAN TAKE IT OUTSIDE THE RADICAL, BUT WE MUST TAKE THE SQUARE ROOT OF IT BEFORE WE CAN TAKE IT OUT OF THE RADICAL:
sqrt9=3
so
3*3
9