hitung luas dan keliling berikut

K= 10 + 4 + 7 + 2 + 3 +3 + 8 = 37 cm
L = 
a. 10 x 4 = 40
b. 4 x 5 = 20
c. 3 x 2 = 6
total = 66 cm²

keliling=10+4+7+2+3+3+8
=37cm
luas= (10×4)+(4×5)+(3×2)
= 40+20+6
= 66 cm^2