Area of a Circle Sector From Angle to Area (Equation) (Level 2)

This math topic covers the calculation of the area of a circle sector using the sector angle and radius measurements. Specifically, students learn to express the sector area formula and solve problems related to determining the area of sectors in terms of pi (π). The questions range in complexity, involving different sector angles and various circle radii. The topic is situated within a broader geometry unit that deals with circle areas, sectors, and introductory concepts relevant to these shapes.

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

Area of a Circle Sector From Angle to Area (Equation) Worksheet

Math worksheet on 'Area of a Circle Sector From Angle to Area (Equation) (Level 2)'. 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

Find the area (in terms of π) of the green shaded sector with an angle of 40º in the circle with radius 2

a

b

c

d

e

2

Find the area (in terms of π) of the green shaded sector with an angle of 40º in the circle with radius 4

a

b

c

d

e

3

Find the area (in terms of π) of the green shaded sector with an angle of 72º in the circle with radius 4

a

b

c

d

4

Find the area (in terms of π) of the green shaded sector with an angle of 72º in the circle with radius 5

a

b

c

d

e

5

Find the area (in terms of π) of the green shaded sector with an angle of 72º in the circle with radius 2

a

b

c

d

6

Find the area (in terms of π) of the green shaded sector with an angle of 120º in the circle with radius 4

a

b

c

d

e

7

Find the area (in terms of π) of the green shaded sector with an angle of 40º in the circle with radius 3

a

b

c

d