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14. The radius of a circle is 1.1 m. Calculate its circumference. a. 6.908 m C. 6.906 m b. 6.907 m d. 6.905 m 15. The diameter of a circle is 1.7 m. Calculate its circumference. a. 5.338 m c. 5.538 m b. 5.438 m d. 5.638 m.​

Sagot :

Aracjkaviz

Answer:

14. C≈6.91m

Solution:

C=2πr=2·π·1.1≈6.9115m

15. C≈5.34m

Solution:

Using the formulas

C=2πr

d=2r

Solving forC

C=πd=π·1.7≈5.34071m