A piece of wire is bent in the shape of an equilateral triangle of side 4.4 cm . If the wire is rebent to form of a circle ,find the radius and area of the circle.
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given: side of equilateral triangle is 4.4 cm
to find: radius and area of the circle if the wire is rebent to form a circle
as the side of the equilateral triangle is 4.4 cm the length of the wire will be 4.4*3=13.2 cm
therefore, 2πr=13.2………{taking radius as r}
hence,πr=6.6
so,r is approximately 2.101 cm……{taking π=3.14}
we know that, area of circle=πr²
now, area of circle=3.14*2.101²
hence area of the circle is approximately 13.860 cm²
to find: radius and area of the circle if the wire is rebent to form a circle
as the side of the equilateral triangle is 4.4 cm the length of the wire will be 4.4*3=13.2 cm
therefore, 2πr=13.2………{taking radius as r}
hence,πr=6.6
so,r is approximately 2.101 cm……{taking π=3.14}
we know that, area of circle=πr²
now, area of circle=3.14*2.101²
hence area of the circle is approximately 13.860 cm²
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