" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
P=e² \ 2
441 =e² \2 /*2
882 =e² /÷√
e=√882
e=21√2
2) h=a√3\2 =12√3\2=6√3
3)
|CO|² +|CB|² =|BO|²
6² +|CB|² =10²
36+|CB|² =100
|CB|² =100-36
|CB|² =64 /÷√
|CB| =√64
|CB| =8 2*|CB|=2*8=16 dm
B D
| \ \
| \10dm \ 10 dm
| \ \
| \ \
C -------------------\ O
| 6dm \ 10dm
| \
A E
Wokół tego rys narysuj koło.