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72 feet squared

Step-by-step explanation:

First of all, you need to work out how long each side is.

√576 = 24

Now we know that each side is 24 feet long.

The triangle area of the square has points that reach halfway through the aides of the square, so they are 12 feet long each.

If we multiply 12 by 12, we get 144, but that gives us the area of a SQUARE, so we must divide the sum by two, to make it the area of a TRIANGLE.

144 ÷ 2 = 72

The amount of area taken up by the cafe is 72 feet squared.

312312

step-by-step explanation:

step-by-step explanation:

no, her answer is not correct.   we square the lengths of all sides and then determine whether the pythagorean theorem holds here:

9² + 15² = 306.   this is not equal to the square of the longest side ( that square being 395.   answer c is correct.