the ratio of the radius of two circles is 1: 3, and then the ratio of their areas is---------?

1:03

1:09

1:06

1:05

the ratio of the radius of two circles is 1: 3, and then the ratio of their areas is---------?

10th-class-mcqs-all-subjects9th-class-mcqs-all-subjects11th-class-mcqs-past-papers12th-class-macqs-past-paperscss-islamiat-past-papers-mcqsnts-online-test-preparation