9. A car tire has radius of 18 cm. How far will it go in 120 turns?
A. 13,564.8 cm C. 15,464.8 cm
B. 15,364.8 cm D. 16,454.8 cm
10. Malou’s circular garden is 5 meters in diameter. How many meters of wire are
needed to put a fence around it?
A. 15.7 m C. 17.5 m
B. 15.8 m D. 157 m
11. Kayla is making a circular potholder with a diameter of 3 meters. How many
meters of lace are needed to decorate the sides of the potholder?
A. 9.42 m C. 4.92 m
B. 9.24 m D. 4.29 m
A. 13,564.8 cm C. 15,464.8 cm
B. 15,364.8 cm D. 16,454.8 cm
10. Malou’s circular garden is 5 meters in diameter. How many meters of wire are
needed to put a fence around it?
A. 15.7 m C. 17.5 m
B. 15.8 m D. 157 m
11. Kayla is making a circular potholder with a diameter of 3 meters. How many
meters of lace are needed to decorate the sides of the potholder?
A. 9.42 m C. 4.92 m
B. 9.24 m D. 4.29 m
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Answer:
9) A. 13,564.8 cm
10) A. 15.7 m
11.) A. 9.42 m
Step-by-step explanation:
9. (18 cm) x (3.14) x (2)
= 13,564.8 cm
10. (5 m) (3.14)
= 15.7 m
11. (3 m) (3.14)
= 9.42 m