# Mensuration Arc Length, Sector Area and Radian Measure Multiple Choice Questions Test 3 Tests pdf Download

Practice math test 3 on mensuration arc length, sector area and radian measure MCQs, grade 8 arc length and area of sector multiple choice questions and answers. Arc length and area of sector revision test has math worksheets, answer key with choices as z°⁄360° x area of semicircle, z°⁄360° x area of major arc, z°⁄360° x area of circle and z°⁄360° x circumference of multiple choice questions (MCQ) with arc length and area of sector quiz as if angle of sector is z° then formula used to calculate is for competitive exam prep. 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