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, 2014

Geometry Difficulty 1.1 Junior Find the answer Canada

In a right-angled triangle, the measure of one angle is $55^\circ$ . The measure of the smallest angle in this triangle is

Pick one

Solution

The spinner has 6 sections in total and 2 of these sections contain the letter $P$ .

Sections are equal to one another in size and thus they are each equally likely to be landed on.
Therefore, the probability of landing on a section that contains the letter $P$ is $\frac26$ .

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Source: CEMC, University of Waterloo, licensed CC-BY-NC-4.0. Statement reproduced verbatim; metadata (topic, difficulty) added by this project.