" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
6/|BC| = √3/2
√3*|BC| = 12 //:√3
|BC| = 12/√3 * √3/√3 = 4√3
obw.= 2*4√3+2*10=4√3+20
2)β+α=180°
x=|BC|
4²+3²=x²
x²=16+9
x²=25
x=√25
x=5
δ=½β
sinδ=⅗
przepraszam ale nie mam pojecia co dalej z tym drugim rysunkiem zrobic.