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-- Stick a nail into a board.
-- Tie a piece of thread around a pencil.
-- 30 cm from the pencil, stick the thread to the nail.
-- Draw a line on the board with the pencil. Keep the thread tight
and go all the way around the nail.
-- The line is a circle with radius 30 cm.
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What is the radius of a circle with area 30cm?
r = 3.0902 cm
A circle has a circumference of 30cm What is its radius when measured to the nearest tenth of a centimeter?
Its radius is 4.8 cm, rounded to the nearest tenth.
How do you divide a circle into 8 equal parts using 3 lines?
Draw two diameters perpendicular to each other. Draw a smaller circle with the same centre such that the radius of the inner circle is 'r' and the radius of the outer circle is 'r√2.' [Or, the radius of the outer circle is R and the radius of the inner circle is R/√2.]
Draw a flowchart to calculate the area of a circle?
The area of a circle is: pi times radius squared
How do you Draw Circles in GstarCAD?
The default method for drawing a circle is to specify a center point and radius.You can draw circles using any of the following methods:Center-RadiusCenter-DiameterTwo pointsThree pointsRadius-Tangent-TangentConvert Arc to CircleTo draw a circle by specifying its center and radiusDo one of the following:Choose Draw> Circle>center, radiusOn the Draw 2D toolbar, click the Circle Center-Radius tool.Type circle and then press Enter.Specify the center point.Specify the radius of the circle.
What is the diameter of a circle if its radius is 30cm?
60cm
What is the radius of a circle with area 30cm?
r = 3.0902 cm
Is it possible to draw a circle of negative radius?
Radii are always positive. No, it is not possible to draw a circle with negative radius.
A circle has a circumference of 30cm What is its radius when measured to the nearest tenth of a centimeter?
Its radius is 4.8 cm, rounded to the nearest tenth.
How do you draw the radius of a circle?
A line of any length may act as the radius of a circle. The radius is the distance from the centre to the perimeter of a circle.
How do you draw a circle with a radius of3cm?
With a compass
How do you divide a circle into 8 equal parts using 3 lines?
Draw two diameters perpendicular to each other. Draw a smaller circle with the same centre such that the radius of the inner circle is 'r' and the radius of the outer circle is 'r√2.' [Or, the radius of the outer circle is R and the radius of the inner circle is R/√2.]
What is a radiu s of a circle?
If you draw a line from the center of a circle to the edge of a circle, you have drawn the radius of the circle. If you draw a line from the edge of a circle through the center of the circle and on to the edge on the opposite side, you have drawn the diameter of a circle. The radius of a circle is one half the diameter of a circle.
If i draw a circle that has a diameter of 2 centimeters what is the radius of the circle?
1 centimeter
How do you get a radius?
# Find the center of the circle # Draw the line of the radius from the center to the circumference # Finish
What does a chord look like in math?
When you draw a circle in math, and you draw a triangle inside of it, 2 of the lines should be the radius of the circle, and the third (bottom) line that is not the radius is the chord.
One radius of a circle is the same length as any other radius of any other radius?
The radius is the distance from the center of the circle to its edge. No matter how you draw this radius, it is one value of one length only, for any given circle.
