Question

The ratio of the circumference to the diameter of a circle is 7:22. Find the circumference of a circle whose diameter is 2 meters by 1 decimeter.​

Answer 1

Answer:

A) 14m

Description for Correct answer:

According to the qustion,

2πr→circumference

2r→Diameter

⇒2πr2r=227

⇒1472r=227

⇒117×2r=227

⇒111×2r=227

⇒12r=21

⇒r=14m

Step-by-step explanation: