Directions: Read, analyze and solve the problems on a separate sheet of paper or in your Math notebook.
1. A circular pond has a diameter of 42 m. Crista walked around it. Find the distance she covered.
A. Asked:The distance that Crista covered.
B. Given:D = 42m
C. Formulatouse:C = πd
D. SolutionandAnswer:131.88m
2. The radius of a wooden circle is 1.5 meters. If an abaca twine will be used to line around it, how long must the abaca twine be?
A. Asked: Length of Abac twine.
B. Given: R = 1.5m
C. Formula to use: C = 2πr
D. Solution and Answer: 9.42m
3. Arman has a circular flower garden with a radius of 5 m. He wants to put up a chicken wire fence around it. How many meters of chicken wire will he need?
A. Asked: The length of chicken wire needed.
B. Given: R = 5m
C. Formula to use: C = 2πr
D. Solution and Answer: 31.4m
4. A wheel has a diameter of 0.4 m. What is the circumference of the wheel?
A. Asked: Circumference of circumference of the wheel.
B. Given: D = 0.4m
C. Formulas to use: C = πd
D. Solution and Answer: 1.256m
5. A bicycle wheel has a radius of 28 cm. How far will it move after 200 revolutions?
A. Asked: The distance the bicycle wheel can cover in 200.
B. Given: R = 28cm
C. Formula to use: C = 2πr
D. Solution and Answer: 35.168cm
Note:Use this formula C=πd in finding the circumference of a diameter.
Use the formula C=2πr in finding the circumference of a radius
• Just swipe the pictures to see the solutions and answer aswell. •
Answers & Comments
Directions: Read, analyze and solve the problems on a separate sheet of paper or in your Math notebook.
1. A circular pond has a diameter of 42 m. Crista walked around it. Find the distance she covered.
2. The radius of a wooden circle is 1.5 meters. If an abaca twine will be used to line around it, how long must the abaca twine be?
3. Arman has a circular flower garden with a radius of 5 m. He wants to put up a chicken wire fence around it. How many meters of chicken wire will he need?
4. A wheel has a diameter of 0.4 m. What is the circumference of the wheel?
5. A bicycle wheel has a radius of 28 cm. How far will it move after 200 revolutions?
Note: Use this formula C=πd in finding the circumference of a diameter.
Use the formula C=2πr in finding the circumference of a radius
• Just swipe the pictures to see the solutions and answer aswell. •