This math topic focuses on the calculation of the sector area of a circle, which requires understanding the formulas involving the circle’s radius and the angle of the sector. The problems given range in difficulty and require the application of intermediate geometry concepts related to circles. Learners are presented with multiple-choice questions where they need to determine the area of a shaded sector depicted in images, and select the correct answers from several options provided.
Work on practice problems directly here, or download the printable pdf worksheet to practice offline.
Practice:
Sector Area - Radius and Angle to Sector Area
Complete these online problems with 80% or 4 correct answers in a row. Results are immediate.
What is the area of the shaded sector of the circle?
Geometry of Circles - Sector Area - Radius and Angle to Sector Area Worksheet
| Math worksheet on 'Geometry of Circles - Sector Area - Radius and Angle to Sector Area (Level 2)'. Part of a broader unit on 'Geometry - Intermediate - Practice' Learn online: app.mobius.academy/math/units/geometry_intermediate_practice/ |
1
| What is the area of the shaded sector of the circle? |
a
| 23.14 |
b
| 22.38 |
c
| 25.42 |
d
| 23.9 |
e
| 24.66 |
f
| 26.18 |
2
| What is the area of the shaded sector of the circle? |
a
| 18.28 |
b
| 16 |
c
| 15.24 |
d
| 14.48 |
e
| 16.76 |
f
| 19.04 |
3
| What is the area of the shaded sector of the circle? |
a
| 11.86 |
b
| 10.34 |
c
| 14.14 |
d
| 14.9 |
e
| 11.1 |
f
| 13.38 |
4
| What is the area of the shaded sector of the circle? |
a
| 22.09 |
b
| 22.85 |
c
| 24.37 |
d
| 21.33 |
e
| 25.89 |
f
| 25.13 |
5
| What is the area of the shaded sector of the circle? |
a
| 3.54 |
b
| 1.78 |
c
| 2.54 |
d
| 2.02 |
e
| 1.26 |
f
| 0.26 |
6
| What is the area of the shaded sector of the circle? |
a
| 35.47 |
b
| 41.55 |
c
| 42.31 |
d
| 38.51 |
e
| 39.27 |
f
| 40.03 |
7
| What is the area of the shaded sector of the circle? |
a
| 4.37 |
b
| 0.57 |
c
| 2.09 |
d
| 3.61 |
e
| 1.33 |
f
| 5.13 |