Решение:
S = πR^2
C = 2πR
R = C/(2π)
R = 3√π / (2π)
S = π(3√π / (2π))^2 = π(9π/4π^2) = 9π^2/4π^2 = 9/4 = 2,25
Ответ: 2,25.
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Решение:
S = πR^2
C = 2πR
R = C/(2π)
R = 3√π / (2π)
S = π(3√π / (2π))^2 = π(9π/4π^2) = 9π^2/4π^2 = 9/4 = 2,25
Ответ: 2,25.