alleryWhat is the altitude of an equilateral triangle with side 12 cm?
A9 cm
B6√2 cm
C6 cm
D6√3 cm
Answer & Solution
Correct answer: D. 6√3 cm
The altitude splits the base into 6 and 6, so it is the square root of 144 - 36 = 108, which is 6√3 cm.
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