tolong bantu dong:) jan lupa pake cara yaa.... sebelumnya trimakasih;)

jawab

p= ∛ {4(6-4)} x (2/3 : 1/6)
p = ∛(8)  x (4) 
p = 2 x 4 
p = 8

l=  [3² - √(169 -(12)²)] / (6-7)²
l = (9 - √(169-144)) /(1)
l = (9- 5)/(1)
l = 4

luas = pl 
luas = 8x 4  = 32 m²

Keliling = 2 (p+l)= 2(8+4) = 24 m