Question

determinati lungimea laturii unui patrat stiind ca are aria egala cu :
2
a) 576 m
2
b)121 dm
2
c)49 cm
2
d)900 mm

Answer 1

A patrat = L^2

a) L^2 = 576 m^2 => L = 24 m
b) L^2 = 121 dm^2 => L = 11 dm
c) L^2 = 49 cm^2 => L = 7 cm
d) L^2 = 900 mm^2 => L = 30 mm