Write a function called circle that takes a turtle, t, and radius, r, as parameters andthat draws an approximate circle by calling polygon with an appropriate length andnumber of sides. Test your function with a range of values of r.Hint: figure out the circumference of the circle and make sure that length * n =circumference.
Question
Write a function called circle that takes a turtle, t, and radius, r, as parameters andthat draws an approximate circle by calling polygon with an appropriate length andnumber of sides. Test your function with a range of values of r.Hint: figure out the circumference of the circle and make sure that length * n =circumference.
Solution
To write the function called "circle", we need to define the parameters it takes: a turtle object, t, and a radius, r. The function will draw an approximate circle by calling another function called "polygon" with an appropriate length and number of sides.
To start, we need to calculate the circumference of the circle. The formula for the circumference is C = 2 * π * r, where π is a mathematical constant approximately equal to 3.14159.
Next, we need to determine the length of each side of the polygon. Since we want an approximate circle, we can divide the circumference by the number of sides of the polygon. Let's call this length "side_length". So, side_length = C / n, where n is the number of sides.
Now, we can call the "polygon" function with the turtle object, t, and the side_length as parameters. The "polygon" function should draw a polygon with the given side length and number of sides.
To test the "circle" function, we can call it with different values of r and observe the resulting approximate circles.
In summary, the steps to write the "circle" function are as follows:
- Define the function "circle" with parameters t and r.
- Calculate the circumference of the circle using the formula C = 2 * π * r.
- Calculate the length of each side of the polygon using side_length = C / n, where n is the number of sides.
- Call the "polygon" function with parameters t and side_length.
- Test the "circle" function with different values of r.
Similar Questions
Write a function called square that takes a parameter named t, which is a turtle. Itshould use the turtle to draw a square.Write a function call that passes bob as an argument to square, and then run theprogram again.2. Add another parameter, named length, to square. Modify the body so length of thesides is length, and then modify the function call to provide a second argument. Runthe program again. Test your program with a range of values for length.3. Make a copy of square and change the name to polygon. Add another parameternamed n and modify the body so it draws an n-sided regular polygon. Hint: Theexterior angles of an n-sided regular polygon are 360/n degrees.4. Write a function called circle that takes a turtle, t, and radius, r, as parameters andthat draws an approximate circle by calling polygon with an appropriate length andnumber of sides. Test your function with a range of values of r.Hint: figure out the circumference of the circle and make sure that length * n =circumference.5. Make a more general version of circle called arc that takes an additional parameterangle, which determines what fraction of a circle to draw. angle is in units of degrees,so when angle=360, arc should draw a complete circle.
Write a function called square that takes a parameter named t, which is a turtle. Itshould use the turtle to draw a square.Write a function call that passes bob as an argument to square, and then run theprogram again.
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