GEOMETRY. 1.What is the length of one side of a square if the area is 400 m2 ? What is the perimeter of that square? Side Length = Perimeter = 2.In circle B, ∠=70∘ and the radius is 11cm. Find the arc length and sector area bound by that angle. Round to the nearest tenth.

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The second statement is incorrect. the third statement is also incorrect, there is no such thing as a negative zero. the last statement is also incorrect because what your saying is that negative 49 is the opposite of negative 49 which is false because the opposite of negative 49 is positive 49.