The area of a circle is 1386 cm2 . What is the radius of the circle? Use π = 22/7]
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 21 cm
As we the area of a circle = 22/7 × radius2
22/7 × radius2 = 1386
Radius = 7 × 3 = 21 cm