Circles

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Circles
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Homework Review
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Mental Math Solve these problems in your math
notebook
55 5040 18 6070 86 7080 9
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Math MessageTake a sheet of paper, read the
directions carefully, and answer the question.
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Lesson Components

• A circle is the set of all points that go around
  a center point the same distance away. Find the
  center point of the circles.

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Circles

• The radius of a circle is a line segment from the
  center of a circle to any point on the circle

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Circles

• Draw the radius of each circle

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Diameter

• The diameter of a circle is a line segment from
  one point on a circle to another point that goes
  through the center of the circle

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Diameter

• Draw the diameter on these circles

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Math journal p. 18
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Concentric circles

• Circles with the same center are called
• CONCENTRIC CIRCLES
• They do not intersect or cross

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Wrapping it all up

• Use your compass to draw a circle and label the
  radius
• Use your compass to draw a circle and label the
  diameter
• Use your compass to draw a set of concentric
  circles

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Tonights Homework

• Study link 1.7

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Math Boxes