Circle area and circumference multiple choice questions (MCQs), circle area and circumference quiz answers to learn elementary school math online courses. Mensuration arc length, sector area and radian measure MCQs, circle area and circumference quiz questions and answers for online elementary education degree. Radian (rad), angles and circle, radian to degree conversion, circle area and circumference test prep for elementary school teaching certification.

Learn math MCQs: formula used to measure circumference of circle is, with choices 2πr, πr² + 2r, πr², and πr² for online elementary education degree. Free math student portal for online learning circle area and circumference quiz questions, 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