Class 8 math Practice Tests

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The *Circle area and circumference Multiple Choice Questions (MCQ Quiz) with Answers PDF*, Circle Area and Circumference MCQ PDF e-Book download to practice Grade 8 Math Tests. Study Mensuration Arc Length, Sector Area and Radian Measure Multiple Choice Questions and Answers (MCQs), Circle Area and Circumference quiz answers PDF to learn distance learning courses. The *Circle Area and Circumference MCQ App* Download: Free learning app for circle area and circumference, arc length and area of sector test prep for online schools.

The MCQ: *In formula 2πr, 'r' is considered as;* "Circle Area and Circumference" App Download (Free) with answers: Circumference; Area; Perimeter; Radius; to learn distance learning courses. Solve Mensuration Arc Length, Sector Area and Radian Measure Quiz Questions, download Apple eBook (Free Sample) for online elementary school classes.

*The formula used to measure circumference of circle is*

- 2πr
- πr² + 2r
- πr²
- πr²

a

*In the formula 2πr, the 'r' is considered as*

- circumference
- area
- perimeter
- radius

d

*If the circumference of circle is 64π then the area of circle (in terms of π) is*

- 664 cm²
- 1024π cm²
- 1050π cm²
- 512π cm²

b

*The formula used to measure area of circle is*

- 4πr²
- πr²
- 2πr²
- πr² + 2r

b

*If the circumference of circle is 82π then the value of 'r' is*

- 41 cm
- 82 cm
- 27.34 cm
- 20 cm

a

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