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

Practice math quiz 3 on mensuration arc length, sector area and radian measure MCQs, grade 8 arc length and area of sector multiple choice questions. Free arc length and area of sector guide has math worksheet with answering options 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 exam prep. Study to learn arc length and area of sector quiz to attempt multiple choice questions based test.

## MCQs on Mensuration Arc Length, Sector Area and Radian Measure - Quiz 3

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

- 4πr
^{2} - πr
^{2} - 2πr
^{2} - πr
^{2}+ 2r

B

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

- 190°
- 150°
- 270°
- 290°

C