Find the circumference of each circle. Round to the nearest tenth. Use 3.14 or 22/7
A. 1,078
B. 164
C. 154
d. 77
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Answer:
Circumference of given circle = 154 cm² (Approx.)
Step-by-step explanation:
In given diagram:
Diameter of given radius = 49 cm
Value of π = 3.14
Find:
Circumference of given circle
Computation:
Radius of given circle = Diameter of given radius / 2
Radius of given circle = 49 / 2
Circumference of given circle = 2πr
Circumference of given circle = 2(3.14)(49/2)
Circumference of given circle = (6.28)(49/2)
Circumference of given circle = 153.86
Circumference of given circle = 154 cm² (Approx.)