" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
y= 2 bok
y=x+2
x(x+2)=195
x²+2x-195=0
Δ=b²-4ac=4+780=784
√Δ28
x₁=(-2-28):2=odpada bo liczba ujemna
x₂=(-2+28):2=13
x+2=13+2=15
boki mają: 15 i 13 cm