Oblicz długość odcinków x i y zaznaczonych na rysunku.
9 / (9 + 4) = 15 / (x + 15)
9 / 13 = 15 / (x + 15)
9(x + 15) = 13 * 15
9x + 135 = 195
9x = 195 - 135
9x = 60
x = 60/9 = 20/3 = 6 i 2/3
9 / (9 + 4) = 18 / y
9 / 13 = 18 / y
9y = 13 * 18 /:9
y = 26
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
9 / (9 + 4) = 15 / (x + 15)
9 / 13 = 15 / (x + 15)
9(x + 15) = 13 * 15
9x + 135 = 195
9x = 195 - 135
9x = 60
x = 60/9 = 20/3 = 6 i 2/3
9 / (9 + 4) = 18 / y
9 / 13 = 18 / y
9y = 13 * 18 /:9
y = 26