ℓυαѕ ℓιиgкαяαи ∂ι ѕαмριиg α∂αℓαн α.2.464¢м2 в2.456¢м2 ¢1.232¢м2 ∂1.464¢м2

L = 22/7 × 28 cm × 28 cm
= 2.464 cm2 (a.)

[tex]l = \pi {r}^{2} \\ l = \frac{22}{7} ( {28}^{2} ) \\ l = \frac{22}{7} (784) \\ l = 2464[/tex]
jawabannya a. 2464cm^2