Area of a Circle Sector From Area to Fraction (Closest Integer) (Level 1)

This math topic focuses on determining the fractional area of a circle's sector. It involves calculating what fraction a given sector area is of the total circle area, given the circle's radius. The questions provide the sector area and radius, and multiple choice answers are given as fractions. The challenge involves understanding and applying the formula for the area of a circle and a sector to identify the correct fraction that represents the sector's proportion of the whole circle. This topic covers basic to intermediate concepts in geometry regarding circle sectors.

Work on practice problems directly here, or download the printable pdf worksheet to practice offline.

Area of a Circle Sector From Area to Fraction (Closest Integer) Worksheet

Math worksheet on 'Area of a Circle Sector From Area to Fraction (Closest Integer) (Level 1)'. Part of a broader unit on 'Geometry - Circle Area, Sectors and Donuts - Intro' Learn online: app.mobius.academy/math/units/geometry_circles_sector_donut_area_logic_intro/

1

A sector with area 6.28 is what fraction of a circle with radius 2?

a

b

c

d

2

A sector with area 12.57 is what fraction of a circle with radius 4?

a

b

c

d

e

3

A sector with area 2.36 is what fraction of a circle with radius 1?

a

b

c

d

e

4

A sector with area 37.7 is what fraction of a circle with radius 4?

a

b

c

d

e

5

A sector with area 25.13 is what fraction of a circle with radius 4?

a

b

c

d

e

6

A sector with area 56.55 is what fraction of a circle with radius 6?

a

b

c

d

e

7

A sector with area 19.63 is what fraction of a circle with radius 5?

a

b

c

d

e