area= 2√3of equilateral triangle find semi perimeter
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yes it is right for sure
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Answer: 3√2 cm
Step-by-step explanation:
area of equilateral triangle = √3/4 a²
so
=> √3 / 4 a² = 2√3
=> a²/4 = 2
=> a² = 4 * 2 = 8
=>a = √8 or 2√2
so perimeter = 3 * 2√2 = 6√2
semi perimeter = 6√2 / 3 = 3√2 cm
sai0112:
is this fine
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