Calculate the perimeter of an equilateral triangle if it inscribes a circle whose area is 154 cm²
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Step-by-step explanation:
154==125124288. Ihhhh
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1
Step-by-step explanation:
given
area of circle is 154cm^2
πr^2=154
22/7×r^2=154
r^2=154×7/22
r^2=49
=>[r=7]
now
perimeter of circle=perimeter of equilateral triangle
2πr=perimeter of circle
2×22/7×7=44
perimeter of equilateral triangle=44cm
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