Question

Question: What is the diameter of a circle with circumference 19cm? give your answer to three significant figures. pls help me in this math subject I give many points. who answer the first one I give the brainliest:) ​

Answer 1

Step-by-step explanation:

circumference of a circle is=2×22/7×r

19=22/7×r

19=22/7r

19×7=22r

133=22r

133/22=22r/22

6.05=r

12.20=diameter