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P x L = 150m²
P x 10 = 150
P = 150/10
P = 15 cm
2( P + L) = Keliling
= 2( 15 + 10)
= 2(25)
= 50 cm
l=10
L=pxl
150= px10
p= 150/10
p= 15
K= 2 (p+l)
2 (15+10)
2x25= 50