Oblicz (twierdzenie Pitagorasa)
x(do kwadratu) + 6(do kwadratu) = (20 - x) (do kwadratu)
x²+6²=(20-x)²
x²+36=20²-2*20x+x²
x²+36=400-40x+x²
x²-x²+40x=400-36
40x=364|:40
x=9,1
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
x²+6²=(20-x)²
x²+36=20²-2*20x+x²
x²+36=400-40x+x²
x²-x²+40x=400-36
40x=364|:40
x=9,1