The area of a circle inscribed in an equilateral triangle is 154 cm². Find the perimeter of the triangle.
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Answer:
Step-by-step explanation:
area of equilateral triangle=√3÷4a²
154=√3÷4
154 x 4=√3a²
616=√3a²
(2√6)²=√3a²
2√6=√3a
2√6÷√3=a
2√2=a
perimeter of equilateral triangle=3a
p.of equialarteral triangle=3 x 2√2
p. of equilateral triangle=6√3
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