1x
za
+ 154 +23=0
by ~2000
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Answered by
0
Answer:
36 cm
Step-by-step explanation:
Step-by-step explanation:
Area = 36√3 cm
Area of equilateral triangle = √3 / 4 a²
36√3 = √3 / 4 a²
√3 will get cancelled out,
36 × 4 = a²
144 = a²
a = √144
a = 12 cm
Perimeter = 3a
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