ΔABC is an equilateral triangle and AD ⊥ BC, where D lies on BC. If – McqOptions

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1.	ΔABC is an equilateral triangle and AD ⊥ BC, where D lies on BC. If AD = 4√3 cm. then what is the perimeter (in cm) of ΔABC?
A.	21
B.	24
C.	27
D.	30
Answer» C. 27

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