De figuur spreekt voor zich. Wat is de oppervlakte van het gele rechthoekje ? |
A. \(\boldsymbol{\frac {1\,-\,\sqrt 3} {4} }\) |
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B. \(\boldsymbol{\frac {1\,+\,\sqrt 3} {4} }\) | |
C. \(\boldsymbol{\frac {\sqrt 3\,-\,1} {4} }\) | |
D. \(\boldsymbol{\frac {1} {4} }\) | |
E. \(\boldsymbol{\frac {\sqrt 3} {4} }\) |
[ 4-5502 - op net sinds 17.2.09-(E)-30.10.2023 ]
The figure (with the unit circle) speaks for itself. What is the area of the shaded rectangle? |
A. \(\boldsymbol{\frac {1\,-\,\sqrt 3} {4} }\) |
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B. \(\boldsymbol{\frac {1\,+\,\sqrt 3} {4} }\) | |
C. \(\boldsymbol{\frac {\sqrt 3\,-\,1} {4} }\) | |
D. \(\boldsymbol{\frac {1} {4} }\) | |
E. \(\boldsymbol{\frac {\sqrt 3} {4} }\) |