University:
Wilkes University
Course:
MTH 343 | Geometry
Academic year:

2022
Views:

236

Pages:

2
Author:

folclord7m

Circle A. Choose the correct answer: 1. Which of the following is not a part of a circle? a) Radius b) Diameter c) Corner d) Circumference 2. If the diameter of a circle is 10 cm, what is its radius? a) 5 cm b) 10 cm c) 20 cm d) 15 cm 3. The line passing through the center and touching two points on the circle is called: a) Radius b) Chord c) Diameter d) Arc 4. A circle has _____ number of corners. a) 0 b) 1 c) 2 d) 4 5. A piece of string placed exactly around a circle is called its: a) Chord b) Diameter c) Circumference d) Radius B. Write the Missing Terms to Complete the Sentences: 1. The longest chord of a circle is called its _____. 2. A line segment from the center of the circle to any point on it is called _____. 3. The distance around a circle is known as _____. 4. Half of the circle is called a _____. 5. A straight line joining any two points on the circle is a _____. C. Mark each sentence with a True (✔) or False (✘): 1. All radii of the same circle have equal length. _____ 2. Diameter is shorter than radius. _____ 3. A circle can have many diameters. _____ 4. Every chord of a circle passes through its center. _____ 5. A circle has straight sides. _____ D. Figure out the answers to these questions: 1. Draw a circle and label its center O and radius OA. 2. Identify two circles in your classroom and write their uses. 3. If the radius of a circle is 3 cm, what will be its diameter? 4. If a wheel rotates once, what is the path traced by it called? 5. How many radii can you draw in a circle? Explain your answer. E. Challenge yourself with these questions: 1. Name three circular objects you see every day. 2. If the diameter of a circle is 8 cm, how many centimeters will its radius measure? 3. Can two circles with different radii have the same circumference? Why or why not? 4. Make a circular pattern using coins or buttons. Count how many coins you used. 5. A pizza is cut exactly into half. What shape are the two pieces?