Question

Find the area of the largest rectangle that
can be inscribed in a semi-circle of radius 4.
1. Area = 12 sq. units
2. Area = 16 sq. units
3. Area = 13 sq. units
4. Area = 15 sq. units
5. Area = 14 sq. units

Answer 1

R^2*sqrt(3)
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2

13.85 or 14sq units

Answer 2

exactly what did u just do?

Answer 3

Is this an optimization problem? Calculus?