TOLONG JAWAB SEKARANG. !!!!!

10.
luas bangun I
= 10 * 4 = 40 cm²

luas bangun II
= 2 * (10-4) = 2* 6 = 12 cm²

luas bangun yang ditanya
= 40 - 12
= 28 cm²

11.
= 3/4 * 3,14 * 5²
= 471/8 = 58,875 cm²

10)L1=4×4=16
L2=6×2=12
L=16+12=28
11)3/4×3,14×5×5=58,875