Prosze o rozwiązanie krok po kroku. NAJ!
30² + b² = 40² + (50 - b)²
b=?
30²+b² = 40² +(50-b)²900 +b² = 1600 + (2500 -100b +b²)
900 + b² = 1600 + 2500 - 100b + b²
900 = 4100 - 100b
100b = 4100 - 900
100b = 3200
b = 32
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
30²+b² = 40² +(50-b)²
900 +b² = 1600 + (2500 -100b +b²)
900 + b² = 1600 + 2500 - 100b + b²
900 = 4100 - 100b
100b = 4100 - 900
100b = 3200
b = 32