Sherlock Inverted

Geometry Level 2

If the \( \color{red} { \text{red angle} } \) (ACB) is a right angle, which of the following claims is not necessarily true?

Sherlock Holmes inverted: "Once you eliminate the provably true, whatever remains, no matter how probable, must be the falsehood."

The \( \color{violet} { \text{purple angle} } \) (ACD) is a right angle The \( \color{green} { \text{green angle} } \) (ABC) is an acute angle The \( \color{blue} { \text{blue angle} } \) (BAD) is a right angle More than one of these claims is not necessarily true. The \( \color{orange} { \text{yellow angle} } \) (ADE) is an obtuse angle

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