" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a=4cm
b=8cm
a²+b²=c²
4²+8²=c²
16+64=c²
c=√80
c=4√5cm= dł. przeciwprostokatnej
2]
a=3cm
b=4cm
α=45*
P=1/2absinα=1/2*3*4*√2/2=3√2cm²