lagi pusing tolong di jawab ya

4. L.belah ketupat= 1/2× d1×d2
= 1/2× 12×8 = 48 cm kuadrat
5. L.persegi = s×s
64 = S kuadrat
akar 64 = S
S = 8 cm
keliling : 4× S
: 4×8 = 32 cm
3. L.jajar genjang = a×t
= 10× 6 = 60 cm kuadrat

maaf kalau salah