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  1. Use this tool to draw a circle by entering its radius along with an address. You can also click a point on the map to place a circle at that spot. You can adjust the placement of the circle by dragging it to a different location.

  2. Map Radius Calculator. You can draw multiple circles, distances, areas or elevations, import/export data save and edit them later with a larger map! Draw a Radius around a map location. Draw a radius circle around a location in Google Maps to show a distance from that point in all directions.

  3. Example 1 (a) Draw a circle of radius 5 cm. (b) Draw a radius of the circle. (c) Draw a chord that is perpendicular to the radius and is 3.3 cm from the centre of the circle. (d) Measure the length of the chord. Solution (a) First draw the circle. (b) Then draw in a radius. (c) Measure 3.3 cm along the radius from the centre of the circle. Draw ...

  4. In this section we calculate the perimeters of various shapes. The perimeter of a circle is referred to as the 'circumference'. The circumference, C, of a circle = 2πr or πd where r is the radius and d is the diameter of the circle. Example 1 Calculate the circumference of a circle with radius 8 cm. Solution Using the formula, Cr=2π, gives

  5. find the equation of a circle, given its centre and radius; find the centre and radius of a circle, given its equation in standard form; find the equation of the tangent to a circle through a given point on its circumference; decide whether a given line is tangent to a given circle.

  6. Example: A circle's diameter has endpoints (1, 4) and (7, -4). What is the equation of the circle? To determine the equation of a circle, we need the center and the radius. Center is the midpoint of the diameter's endpoints. The radius is 1/2 the length of the diameter... Using the distance formula to find the length: 36+64 Radius: 5

  7. www.mathworksheets4kids.com › circlesCircles Worksheets

    This page contains circle worksheets based on identifying parts of a circle and finding radius or diameter. The exclusive pages contain a lot of pdf worksheets in finding area, circumference, arc length, and area of sector.

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