Lesson Worksheet: Circles and Circumference Mathematics

In this worksheet, we will practice identifying and using parts of a circle and its circumference to solve problems.

Q1:

The length of the radius of a circle is the length of its diameter.

  • Ahalf
  • Bequal to
  • Ctwice

Q2:

If the diameters of the two given circles, with centers 𝑀 and 𝑁, are 2 cm and 6 cm, respectively, determine the length of 𝑀𝑁.

Q3:

Identify all the radii in the following circle:

  • A𝐡𝐸,𝐹𝐢
  • B𝑁𝐡,𝑁𝐢,𝑁𝐸,𝑁𝐹
  • C𝐹𝐷

Q4:

Which segment in this circle is a chord?

  • A𝐢𝑀
  • B𝐴𝐷
  • C𝑀𝐡

Q5:

If the length of the longest chord in a circle is 310 m, what is its radius?

Q6:

Find the length of 𝑀𝑁.

Q7:

Determine the diameter of the circle 𝑀, given that its radius 𝐴𝑀=49cm.

Q8:

Given that 𝐴𝐡=15cm, find the radius to the circle 𝑀.

Q9:

If the two circles have the same center, 𝑀, and the lengths of their radii are 21 cm and 66 cm, find the length of 𝐢𝐷.

Q10:

The diameter of the circle with center 𝑁 is 23, and 𝐡𝑁=5. Find the length of 𝐴𝐡.

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