# Mensuration Arc Length, Sector Area and Radian Measure Multiple Choice Questions and Answers 3 PDF Download

Learn mensuration arc length, sector area and radian measure multiple choice questions, grade 8 math online test 3 for elementary school degree online courses, distance learning for exam prep. Practice arc length and area of sector multiple choice questions (MCQs), mensuration arc length, sector area and radian measure quiz questions and answers for math class for 8th grade math worksheets online.

Study elementary school math multiple choice questions (MCQs): if angle of sector is z° then formula used to calculate is, for free online courses with choices z°⁄360° x area of semicircle, z°⁄360° x area of major arc, z°⁄360° x area of circle, and z°⁄360° x circumference, arc length and area of sector quiz with online tricky riddles for home schooling of private and public school students. Free math study guide for online learning arc length and area of sector quiz questions to attempt multiple choice questions based test.

## MCQs on Mensuration Arc Length, Sector Area and Radian Measure Worksheets 3 Quiz PDF Download

MCQ: If angle of sector is z° then formula used to calculate is

- z°⁄360° x area of major arc
- z°⁄360° x area of semicircle
- z°⁄360° x area of circle
- z°⁄360° x circumference

D

MCQ: If radius is 21 cm and angle at center of circle is 140° then length of arc is

- 42.23 cm
- 73.24 cm
- 51.31 cm
- 62.42 cm

C

MCQ: Considering radian, value of cos 2.3π is

- 1.832
- 0.587
- 2.587
- 1.684

B

MCQ: Formula used to measure area of circle is

- 4πr²
- πr²
- 2πr²
- πr² + 2r

B

MCQ: By converting 3π⁄2 from radians to degrees, answer will be

- 190°
- 150°
- 270°
- 290°

C