Tolong di jawab ya soalnya selasa di kumpulin

keliling =2 × ( 6 cm ×

a) pjg AB = 36 + 64 = akar 2 dr 100 = 10 cm
keliling = 2(10) + 2(17) = 54
luas = 16 x 21 : 2 = 168

b) L = 20 +26 x 8 : 2 = 184
K = 2(10) + 10 + 26 = 56