Circle's Dimensions
Statement
Print the diameter, circumference and the area of a circle with knowing it's radius. Round the circumference and area to two decimal places.
The formula for calculating the diameter for a circle is <<d = 2r>>
The formula for calculating the circumference for a circle is <<c = 2𝜋r>>
The formula for calculating the area for a circle is <<a = 𝜋(r^2)>>
Input description
<<Line 1:>> A float [[radius]] for the radius of the circle
Output description
<<Line 1:>> The diameter of the circle
<<Line 2:>> The circumference of the circle
<<Line 3:>> The area of the circle
Constraints
1 ≤ [[radius]] ≤ 9^9
Game modes
Test cases
Whole numbers Test
Input
3
Output
6
18.85
28.27
Validator 1 Validator
Input
5
Output
10
31.42
78.54
Not whole numbers Test
Input
5.4
Output
10.8
33.93
91.61
Validator 2 Validator
Input
7.3
Output
14.6
45.87
167.42
Big Test
Input
57.6
Output
115.2
361.91
10423.05
Validator 3 Validator
Input
63.7
Output
127.4
400.24
12747.61
HUGE! Test
Input
984.253
Output
1968.506
6184.24
3043430.35
Validator 4 Validator
Input
673.412
Output
1346.824
4231.17
1424661.13
Solution language
Solution
Stub generator input