## Area Related to Circle

Chapter- 12 Areas Related to Circles Exercise: 12.1 Unless stated otherwise, use π =22/7. 1. The radii of two circles are 19 cm and 9 cm respectively. Find the radius of the circle which has a circumference equal to the sum of the circumferences of the two circles. Answer Let the radius of the third circle be R. Circumference of the circle with radius R = 2πR Circumference of the circle with radius 19 cm = 2π × 19 =…