Răspuns :
latimea= x
lungimea=3x
suma= = = 36
x+3x=36
4x=36
x=36:4
x=9(latimea)
9x3=27(lungimea)
b)9x27=243(aria)
lungimea=3x
suma= = = 36
x+3x=36
4x=36
x=36:4
x=9(latimea)
9x3=27(lungimea)
b)9x27=243(aria)