" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
2200 = 2*22/7*r*25
2200 = 1100/7 r
r = 2200*7/1100
r = 14
l tbng = 2*22/7*14 (14+25)
44*2*39 = 3432
#maafklsalah
2πrt = 2.200
2x22/7xrx25=2.200
157,1 r = 2.200
r = 2.200/157,1
r =14
lpt = 2πr(r+t)
=2x22/7x14(14+25)
=88x39
=3432 cm²