Learn mensuration arc length, sector area and radian measure MCQs, grade 8 math test 3 for online learning courses and test prep, arc length and area of sector multiple choice questions and answers. Arc length and area of sector revision test includes math worksheets to learn for 8th grade math worksheets online.

Math multiple choice questions (MCQ): if angle of sector is z° then formula used to calculate is 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 to learn arc length and area of sector quiz to attempt multiple choice questions based test.

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

1. z°⁄360° x area of major arc
2. z°⁄360° x area of semicircle
3. z°⁄360° x area of circle
4. z°⁄360° x circumference

D

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

1. 42.23 cm
2. 73.24 cm
3. 51.31 cm
4. 62.42 cm

C

MCQ: Considering radian, value of cos 2.3π is

1. 1.832
2. 0.587
3. 2.587
4. 1.684

B

MCQ: Formula used to measure area of circle is

1. 4πr²
2. πr²
3. 2πr²
4. πr² + 2r

B