Learn circle area and circumference MCQs, math test for online learning courses and test prep to practice. Mensuration arc length, sector area and radian measure quiz questions has multiple choice questions (MCQ), circle area and circumference test to learn for class 8 math interactive tests.

Math practice test MCQ: formula used to measure circumference of circle is with choices 2πr, πr² + 2r, πr² and πr² with classroom questions and answers for students with pdf download eBooks. Free math revision notes to learn circle area and circumference quiz with MCQs to find questions answers based online learning tests.

MCQ: Formula used to measure circumference of circle is

1. 2πr
2. πr² + 2r
3. πr²
4. πr²

A

MCQ: In formula 2πr, 'r' is considered as

1. circumference
2. area
3. perimeter

D

MCQ: If circumference of circle is 64π then area of circle (in terms of π) is

1. 664 cm²
2. 1024π cm²
3. 1050π cm²
4. 512π cm²

B

MCQ: Formula used to measure area of circle is

1. 4πr²
2. πr²
3. 2πr²
4. πr² + 2r

B

MCQ: If circumference of circle is 82π then value of 'r' is

1. 41 cm
2. 82 cm
3. 27.34 cm
4. 20 cm

A