TOLONG YA JAWABANNYA SOAL-(b)-(c)-(d)

b. 15 ×2=30 36-30=6
L= 6:2=3 cm
c. 45×2=90
150-90=60
L= 60:2=30 cm
d. 16×2=32
120-32=88
p=88:2=44

cari lebar (l) = ( k:2 ) - p
b = ( 36:2 ) - 15
b = 18 - 15 = 3

yg C . L = (150:2) - 45
= 75 - 45 = 30

yg D. P = ( k:2) - L
= (120:2) - 16
= 60 - 16 = 44