PAIBOT
/
Learn
Sign in
Sign up
日本語
English
简体中文
Math Drills
Basic shapes
Circles & spheres
Practice 1
Basic shapes
Circles & spheres
1 / 5
Basic
What is the diameter of this circle, in cm?
10 cm
1
10
10
10
2
20
20
20
3
40
40
40
4
100
100
100
Answer
