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It is: (pi*17.5)+35 = 90 meters rounded to nearest whole number

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Q: What is the perimeter of a semi circle using diameter of 35m?
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What is formula of perimeter of semi circle?

The perimeter of a circle has the formula 2πr. Therefore the length of a semi circle is πr. But the perimeter of a semi circle also includes the diameter which is 2r. Therefore the perimeter of a semi circle = πr + 2r = r(π + 2)


How do you find the perimeter for a semi circle?

Its perimeter is half of its circumference plus its diameter


What is the perimeter of a semi circle?

The perimeter of a full circle is 2*pi*r. Where, pi is the mathematical constant that is the ratio of any circle's circumference to its diameter, approximately equal to 3.14, and r is the radius of the circle. The perimeter of a semi circle, assumed to be half of a full circle is pi*r where pi and r are previously defined.


Is the circumference of a circle greater than less than or equal to the perimiter of a semi circle?

The circumference is pi x diameter Perimeter of semi circle is (0.5) x pi x diameter + diameter which is diameter x (0.5pi + 1) Subtracting Perimeter from Circumference we get [pi x diameter] - [diameter x (0.5pi + 1)] which is diameter x [pi - 0.5pi -1] pi = 3.1415 Hence the result = diameter x (3.1415 - 1.570 - 1) which will always be positive. Hence circumference is greater than perimeter of semi circle. Intuitively also we see that the diameter is a straight line and the semi circles are arcs over the end points of the diameter.


How do you calculate a perimeter of a semicircle?

perimeter of a semi circle= Diameter x Pi (3.14... etc.) then divide it by 2. then add the value of the diameter to the answer. there may be a quicker way but i just figured this way out using the how to find the circumference of a circle...and yea. i hope this helps :/ ahaha x0x0 gossip goat.