tolong dibuat cara mengerjakan ya...

K = 250+250+150+150 = 800 m
L = 250x150 = 37.500 m² : 10.000 = 3,75 ha

a. k = 2 x (p+l)
= 2 x ( 250 + 150)
= 2 x 400
= 800 m

b. Luas = pxl =
250m x 150 m
= 37500 m²
= 37500 : 10000 = 3, 75 hektar