# Clock hands

Calculate the internal angles of a triangle whose vertices lie on the clock's 2, 6 and 11 hours.

A =  75 °
B =  60 °
C =  45 °

### Step-by-step explanation:

$B=\alpha \mathrm{/}2=120\mathrm{/}2=60\text{°}$
$C=\gamma \mathrm{/}2=90\mathrm{/}2=45\text{°}$

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