Question

find radius and circumference of circle whose area is 13.86​

Answer 1

Answer:

Radius is 2.10042258 and the circumference of the circle is 13.2

Step-by-step explanation:

Answer 2

Answer:

r≈2.1

Step-by-step explanation:

Area of a circle = 13.86 πr2 = 13.86 22/7 (r2) = 13.86 r2 = 13.86 × 7/22 r2 = 4.41 r = 2.1 Radius of the circle is 2.1 cm Diameter of the circle is 2.1 × 2 i.e. 4.2 cm.