A circle is a form consisting of all points in a plane that are a certain distance from a certain point, the center, are the same. Whereas the distance between any point of the circle and the center is called the radius.
From a diameter of 30 cm, then the area of the clock = 706.5 cm²
Further explanation
The main parts of the circle:
Center point : is the center point of the circle, where the distance between the point and any point on the circle is always constant.
Radius or radius (R): is a straight line connecting the center point to the circle.
Chord : is a straight line inside a circle that cuts the circle at two different points.
Arc : is a curved line, either open or closed which coincides with the circle.
Circumference : is the longest arc in the circle.
Diameter : is the largest chord whose length is twice the radius. This diameter divides the circle equally.
Sector : is the area on a circle bounded by an arc and two radii at both ends.
Segment : is the area on a circle bounded by an arc with a chord.
To calculate the circumference of the circle we use
Answers & Comments
Circle
A circle is a form consisting of all points in a plane that are a certain distance from a certain point, the center, are the same. Whereas the distance between any point of the circle and the center is called the radius.
From a diameter of 30 cm, then the area of the clock = 706.5 cm²
Further explanation
The main parts of the circle:
Center point : is the center point of the circle, where the distance between the point and any point on the circle is always constant.
Radius or radius (R): is a straight line connecting the center point to the circle.
Chord : is a straight line inside a circle that cuts the circle at two different points.
Arc : is a curved line, either open or closed which coincides with the circle.
Circumference : is the longest arc in the circle.
Diameter : is the largest chord whose length is twice the radius. This diameter divides the circle equally.
Sector : is the area on a circle bounded by an arc and two radii at both ends.
Segment : is the area on a circle bounded by an arc with a chord.
To calculate the circumference of the circle we use
For the area :
r = radius
d = diameter
Given
d = 30 cm
Required
the area
Solution
Input the value in formula
Learn more
the standard form of the equation of the circle : brainly.ph/question/815027
the circumference of the circle : brainly.ph/question/14333420
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