This math topic focuses on the calculation of the area of a circle. It provides learners with hands-on practice using the formula A = πr², where r = d/2. The questions require students to apply this formula to compute the area of various circles. Each question is accompanied by multiple answers. The practice is designed to support the broader unit on 'Geometry - Circle Area - Introduction', enhancing understanding in this key area of geometric measurement.
Work on practice problems directly here, or download the printable pdf worksheet to practice offline.
Practice:
Circle (with hint and calculator)
Complete these online problems with 80% or 4 correct answers in a row. Results are immediate.
Find the area using the formula A = πr² and r = d/2
Area of a Circle (with hint and calculator) Worksheet
| Math worksheet on 'Area of a Circle (with hint and calculator) (Level 2)'. Part of a broader unit on 'Geometry - Circle Area - Intro' Learn online: app.mobius.academy/math/units/geometry_circles_area_intro/ |
1
| Find the area using the formula A = πr² and r = d/2 |
a
| 242 |
b
| 34.56 |
c
| 380.13 |
d
| 530.93 |
e
| 69.12 |
f
| 121 |
2
| Find the area using the formula A = πr² and r = d/2 |
a
| 571.77 |
b
| 37.7 |
c
| 452.39 |
d
| 144 |
e
| 75.4 |
f
| 288 |
3
| Find the area using the formula A = πr² and r = d/2 |
a
| 21.99 |
b
| 43.98 |
c
| 153.94 |
d
| 282.74 |
e
| 49 |
f
| 201.06 |
4
| Find the area using the formula A = πr² and r = d/2 |
a
| 282.74 |
b
| 50.27 |
c
| 25.13 |
d
| 201.06 |
e
| 128 |
f
| 64 |
5
| Find the area using the formula A = πr² and r = d/2 |
a
| 62.83 |
b
| 200 |
c
| 314.16 |
d
| 414.69 |
e
| 100 |
f
| 452.39 |
6
| Find the area using the formula A = πr² and r = d/2 |
a
| 380.13 |
b
| 56.55 |
c
| 490.09 |
d
| 81 |
e
| 449.25 |
f
| 254.47 |