" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
20:2=10
CA-6
AB-10
CB-?
6²+10²=a²
a²=36+100
a²=136 /√
a=11,6≈12
CB-12
Obw- 6+10+12=30
EF-12
FG-20
EG-?
12²+20²=b²
b²=144+400
b²=544 /√
b=23,6≈24
Obw-12+20+24=60
60:2=30