tolong bantu soal saya

6.[tex]Lsegitiga= \frac{1}{2}.a.t = \frac{1}{2}.8.1,5 = 6 m^{2} Lsegiempat = p.l =3.6 =18 m^{2} Lbangun = Lsegitiga + Lsegiempat[/tex][tex]6 + 18 = 24 m^{2} 2400 cm^{2} [/tex]

8
L = π[tex] r^{2} [/tex]
=[tex] \frac{22}{7} [/tex] [tex] 3,5^{2} [/tex]
 =38,5

9. 
Ljajargenjang = a.t
=55.35
=1925 [tex] cm^{2} [/tex]

Lpersegi
= s.s
=35.35
=1225

L=3150

10
Ljajargenjang1
=a.t
=24.16
=384
Ljajargenjang2
=a.t
=24.8
=192
Ljajargenjang3 = Ljajargenjang2
=192
L = 384 + 192 + 192
=768

11.
=π[tex] r^{2} [/tex]
=22/7 784
=2464