tolong dijawab dong please

5.24×10:2=120cm2
maaf kalau salah

4. Luas Jajar Genjang = alas x tinggi = 10 m x 8 m = 80 m2
5.Luas layang-layang = diagonal 1 x diagonal 2 x 1/2
                                   = (5 cm + 5 cm) x (12 cm + 12 cm) x 1/2
                                   = 10 cm x 24 cm x 1/2 = 120 cm2