What is the length of an altitude of an equilateral triangle of side 8cm?
(a) 2√3cm
(b) 3√3cm
(c) 4√3 cm
(d) 5√3cm
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Answer:
c)4√3
Step-by-step explanation:
py Pythagoras theorem
64-16= altitude square
√48= altitude
4√3=altitude
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