" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
P=2π52+2π5×7
P=2π25+2π35
P=50π+70π
P=120π cm2
Pp=π5²=25π
Pb=2π*5*7=70π
P=2*25π+70π=120π