11. A circular pond has a radius of 4.5m. How much materials will be
needed if you plan to put a fence around it?
12. A circular car race track has a radius of 14m. What is the total distance
around the race track? *
13. A circular lagoon has a diameter of 8 m. Determine the circumference
of the lagoon.
14. What is the distance around a circular fountain which is 24 meters
across?
needed if you plan to put a fence around it?
12. A circular car race track has a radius of 14m. What is the total distance
around the race track? *
13. A circular lagoon has a diameter of 8 m. Determine the circumference
of the lagoon.
14. What is the distance around a circular fountain which is 24 meters
across?
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Answer:
11) 28.26 m
12) 87.92 m
13) 25.12 m
14) 75.36 m
Step-by-step explanation:
use circumference formula depende kung radius or diameter ang given
circumference = 2 x pi x radius
circumference = pi x diameter
11) given ang radius = 4.5 m
circumference = 2 x 3.14 x 4.5 = 28.26 m
12) given ang radius = 14 m
circumference = 2 x 3.14 x 14 = 87.92 m
13) given ang diameter = 8 m
circumference = 3.14 x 8 = 25.12 m
14) given ang diameter = 24 m
circumference = 3.14 x 24 = 75.36 m