Tolong kerjakan no 4dan5 maaf atasnya gelap

4. L = a x t = 10 x 8 = 80 m2
5. L = d1 x d2 : 2 = 24 x 10 = 240 : 2 = 120 cm2

4) L.=a×t
=10×8
=80cm²
5)L.=½×D1×D2
=½×(12×2)×(5×2)
=½×24×10
=120cm²
semoga membantu