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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.

Related questions

Work out the perimeter of the semi-cirle when diameter is 15cm?

The perimeter of a full circle (circumference) is "pi" times the diameter. So the perimeter of a semi-circle will be half that; Perimeter = (pi/2) x (diameter).


How do you find the perimeter of a semi circle with a diameter of 12mm?

-- Find the circumference of a full circle with a diameter of 12 mm.-- The perimeter of the semi-circle is(1/2 the circumference of the full circle) + (the diameter).


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 semicircle and quadrant circles?

The semi-circle is 0.5 X pi X diameter + diameter The semi-circle is 0.5 X pi X diameter + 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.


Find the perimeter of a semicircle of diameter 10cm?

First find the circumference of the whole circle using Pi x diameter. Halve the answer and add the diameter. Thus: 3.1416 × 10 = 31.416 ÷ 2 + 10 = 25.708cm So the perimeter of the semi-circle is 25.7cm


What is the formula for finding the perimeter of a semicircle?

Half the Circumference + the DiameterCircumference of a circle = pi X d ,so perimeter of a semi-circle = (3.142 X Diameter) + Diameter


What is the circumference of 52 m semicircle?

circumference or perimeter of the semi-circle = (diameter*pi)/2 + diameter


How do you find the perimeter of a rectangle with a semi circle attached to it?

add the perimeter of the rectangle, minus the side that'c covered by the semi circle. then, find the circumference of the semi circle [diameter x pi, divided by 2] and addd them together


If diameter is 7 find perimeter of semi circle?

Pi times the diameter gives you the circumference. Then divide that answer by two. Then add in the diameter - and, voila, you have your answer as to the perimeter of a semicircle.


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.