Question

A rectangle $ABCD$ is inscribed in a semicircle, as shown. If the given figure is symmetric about the dotted line and $2AD=AB$, what is the area of the region enclosed under $GCEO$ (in $c{m}^2$)?

• A. 154
• B. 49
• C. 38.5
• D. 77

Answer 1

The correct option is C 38.5